🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 189 (from laksa094)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa189.int.ahrefs:8124/' \
  -H 'Content-Type: text/plain' \
  -H 'X-ClickHouse-Database: crawler3' \
  -H 'Authorization: Basic YXBpOg==' \
  -d 'SELECT getAhrefsURLFromUnparsed(src_unparsed) AS found_url, ifNull(toUnixTimestamp(download_stamp), 0) AS crawl_time, ifNull(toUnixTimestamp(props_url_first_seen), 0) AS first_indexed_time, download_http_code AS http_code, src_unparsed AS src_unparsed, src_root_hash AS src_root_hash, history_drop_reason AS history_drop_reason, meta_title AS meta_title, meta_descriptions AS meta_descriptions, attrs_boilerpipe_text AS attrs_boilerpipe_text, attrs_markdown AS attrs_markdown, attrs_readable_markdown AS attrs_readable_markdown, meta_canonical AS meta_canonical FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.first.org/cvss/calculator/3-1\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.first.org/cvss/calculator/3-1\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.first.org\/cvss\/calculator\/3-1","crawl_time":1775462629,"first_indexed_time":1741728788,"http_code":200,"src_unparsed":"org,first!www,\/cvss\/calculator\/3-1 s443","src_root_hash":"11567983919469339389","history_drop_reason":null,"meta_title":"Common Vulnerability Scoring System Version 3.1 Calculator","meta_descriptions":[],"attrs_boilerpipe_text":"Hover over metric group names, metric names and metric values for a summary of the information in the official CVSS v3.1 Specification Document.\nThe Specification is available in the list of links on the left, along with a User Guide providing additional scoring guidance, an Examples document of scored vulnerabilities, and notes on using this calculator (including its design and an XML representation for CVSS v3.1).\nBase Score\nAttack Vector (AV)\nNetwork (N)\nAdjacent (A)\nLocal (L)\nPhysical (P)\nAttack Complexity (AC)\nLow (L)\nHigh (H)\nPrivileges Required (PR)\nNone (N)\nLow (L)\nHigh (H)\nUser Interaction (UI)\nNone (N)\nRequired (R)\nScope (S)\nUnchanged (U)\nChanged (C)\nConfidentiality (C)\nNone (N)\nLow (L)\nHigh (H)\nIntegrity (I)\nNone (N)\nLow (L)\nHigh (H)\nAvailability (A)\nNone (N)\nLow (L)\nHigh (H)\nSelect values for all base metrics to generate score\nVector String -\nselect values for all base metrics to generate a vector\nTemporal Score\nExploit Code Maturity (E)\nNot Defined (X)\nUnproven (U)\nProof-of-Concept (P)\nFunctional (F)\nHigh (H)\nRemediation Level (RL)\nNot Defined (X)\nOfficial Fix (O)\nTemporary Fix (T)\nWorkaround (W)\nUnavailable (U)\nReport Confidence (RC)\nNot Defined (X)\nUnknown (U)\nReasonable (R)\nConfirmed (C)\nSelect values for all base metrics to generate score\nEnvironmental Score\nConfidentiality Requirement (CR)\nNot Defined (X)\nLow (L)\nMedium (M)\nHigh (H)\nIntegrity Requirement (IR)\nNot Defined (X)\nLow (L)\nMedium (M)\nHigh (H)\nAvailability Requirement (AR)\nNot Defined (X)\nLow (L)\nMedium (M)\nHigh (H)\nModified Attack Vector (MAV)\nNot Defined (X)\nNetwork\nAdjacent Network\nLocal\nPhysical\nModified Attack Complexity (MAC)\nNot Defined (X)\nLow\nHigh\nModified Privileges Required (MPR)\nNot Defined (X)\nNone\nLow\nHigh\nModified User Interaction (MUI)\nNot Defined (X)\nNone\nRequired\nModified Scope (MS)\nNot Defined (X)\nUnchanged\nChanged\nModified Confidentiality (MC)\nNot Defined (X)\nNone\nLow\nHigh\nModified Integrity (MI)\nNot Defined (X)\nNone\nLow\nHigh\nModified Availability (MA)\nNot Defined (X)\nNone\nLow\nHigh\nSelect values for all base metrics to generate score","attrs_markdown":"- [Member Portal](https:\/\/portal.first.org\/)\n\n[![FIRST.Org](https:\/\/www.first.org\/_\/img\/first-org-green.svg)](https:\/\/www.first.org\/)\n\n- [About FIRST](https:\/\/www.first.org\/about)\n  - 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[FIRST Associates](https:\/\/www.first.org\/members\/associates\/)\n  - [FIRST Liaisons](https:\/\/www.first.org\/members\/liaisons\/)\n  - [Members around the world](https:\/\/www.first.org\/members\/map)\n- [Initiatives](https:\/\/www.first.org\/global)\n  - [Special Interest Groups (SIGs)](https:\/\/www.first.org\/global\/sigs)\n    - [SIGs Framework](https:\/\/www.first.org\/global\/sigs\/framework)\n    - [Academic Security SIG](https:\/\/www.first.org\/global\/sigs\/academicsec)\n    - [AI Security SIG](https:\/\/www.first.org\/global\/sigs\/ai-security)\n    - [Automation SIG](https:\/\/www.first.org\/global\/sigs\/automation)\n    - [Cybersecurity Communications SIG](https:\/\/www.first.org\/global\/sigs\/communications\/)\n    - [Common Vulnerability Scoring System (CVSS-SIG)](https:\/\/www.first.org\/cvss)\n      - [Calculator](https:\/\/www.first.org\/cvss\/calculator\/4.0)\n      - [Specification Document](https:\/\/www.first.org\/cvss\/v4.0\/specification-document)\n      - [User Guide](https:\/\/www.first.org\/cvss\/v4.0\/user-guide)\n      - [Implementation Guide](https:\/\/www.first.org\/cvss\/v4.0\/implementation-guide)\n      - [Examples](https:\/\/www.first.org\/cvss\/v4.0\/examples)\n      - [Frequently Asked Questions](https:\/\/www.first.org\/cvss\/v4.0\/faq)\n      - [CVSS v4.0 Documentation & Resources](https:\/\/www.first.org\/cvss\/v4.0\/)\n        - [CVSS v4.0 Calculator](https:\/\/www.first.org\/cvss\/calculator\/4.0)\n        - [CVSS v4.0 Specification Document](https:\/\/www.first.org\/cvss\/v4.0\/specification-document)\n        - [CVSS v4.0 User Guide](https:\/\/www.first.org\/cvss\/v4.0\/user-guide)\n        - [CVSS v4.0 Implementation Guide](https:\/\/www.first.org\/cvss\/v4.0\/implementation-guide)\n        - [CVSS v4.0 Examples](https:\/\/www.first.org\/cvss\/v4.0\/examples)\n        - [CVSS v4.0 FAQ](https:\/\/www.first.org\/cvss\/v4.0\/faq)\n      - [CVSS v3.1 Archive](https:\/\/www.first.org\/cvss\/v3-1)\n        - [CVSS v3.1 Calculator](https:\/\/www.first.org\/cvss\/calculator\/3.1)\n        - [CVSS v3.1 Specification Document](https:\/\/www.first.org\/cvss\/v3.1\/specification-document)\n        - [CVSS v3.1 User Guide](https:\/\/www.first.org\/cvss\/v3.1\/user-guide)\n        - [CVSS v3.1 Examples](https:\/\/www.first.org\/cvss\/v3.1\/examples)\n        - [CVSS v3.1 Calculator Use & Design](https:\/\/www.first.org\/cvss\/v3.1\/use-design)\n      - [CVSS v3.0 Archive](https:\/\/www.first.org\/cvss\/v3-0)\n        - [CVSS v3.0 Calculator](https:\/\/www.first.org\/cvss\/calculator\/3.0)\n        - [CVSS v3.0 Specification Document](https:\/\/www.first.org\/cvss\/v3.0\/specification-document)\n        - [CVSS v3.0 User Guide](https:\/\/www.first.org\/cvss\/v3.0\/user-guide)\n        - [CVSS v3.0 Examples](https:\/\/www.first.org\/cvss\/v3.0\/examples)\n        - [CVSS v3.0 Calculator Use & Design](https:\/\/www.first.org\/cvss\/v3.0\/use-design)\n      - [CVSS v2 Archive](https:\/\/www.first.org\/cvss\/v2)\n        - [CVSS v2 Complete Documentation](https:\/\/www.first.org\/cvss\/v2\/guide)\n        - [CVSS v2 History](https:\/\/www.first.org\/cvss\/v2\/history)\n        - [CVSS-SIG team](https:\/\/www.first.org\/cvss\/v2\/team)\n        - [SIG Meetings](https:\/\/www.first.org\/cvss\/v2\/meetings)\n        - [Frequently Asked Questions](https:\/\/www.first.org\/cvss\/v2\/faq)\n        - [CVSS Adopters](https:\/\/www.first.org\/cvss\/v2\/adopters)\n        - [CVSS Links](https:\/\/www.first.org\/cvss\/v2\/links)\n      - [CVSS v1 Archive](https:\/\/www.first.org\/cvss\/v1)\n        - [Introduction to CVSS](https:\/\/www.first.org\/cvss\/v1\/intro)\n        - [Frequently Asked Questions](https:\/\/www.first.org\/cvss\/v1\/faq)\n        - [Complete CVSS v1 Guide](https:\/\/www.first.org\/cvss\/v1\/guide)\n      - [JSON & XML Data Representations](https:\/\/www.first.org\/cvss\/data-representations)\n      - [CVSS On-Line Training Course](https:\/\/www.first.org\/cvss\/training)\n      - [Identity & logo usage](https:\/\/www.first.org\/cvss\/identity)\n    - [CSIRT Framework Development SIG](https:\/\/www.first.org\/global\/sigs\/csirt)\n    - 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[DGA Domains](https:\/\/www.first.org\/global\/sigs\/dns\/stakeholder-advice\/detection\/dga)\n          - [DNS As a Vector for DoS](https:\/\/www.first.org\/global\/sigs\/dns\/stakeholder-advice\/detection\/dns-as-a-vector-for-dos)\n          - [DNS Beacons - C2 Communication](https:\/\/www.first.org\/global\/sigs\/dns\/stakeholder-advice\/detection\/dns-beacons-c2-communication)\n          - [DNS Rebinding](https:\/\/www.first.org\/global\/sigs\/dns\/stakeholder-advice\/detection\/dns-rebinding)\n          - [DNS Server Compromise](https:\/\/www.first.org\/global\/sigs\/dns\/stakeholder-advice\/detection\/dns-server-compromise)\n          - [DNS Tunneling](https:\/\/www.first.org\/global\/sigs\/dns\/stakeholder-advice\/detection\/dns-tunneling)\n          - [DoS Against the DNS](https:\/\/www.first.org\/global\/sigs\/dns\/stakeholder-advice\/detection\/dos-against-the-dns)\n          - [Domain Name Compromise](https:\/\/www.first.org\/global\/sigs\/dns\/stakeholder-advice\/detection\/domain-name-compromise)\n          - [Dynamic DNS (as obfuscation technique)](https:\/\/www.first.org\/global\/sigs\/dns\/stakeholder-advice\/detection\/dynamic-dns-resolution-as-obfuscation-technique)\n          - [Fast Flux (as obfuscation technique)](https:\/\/www.first.org\/global\/sigs\/dns\/stakeholder-advice\/detection\/fast-flux)\n          - [Infiltration and exfiltration via the DNS](https:\/\/www.first.org\/global\/sigs\/dns\/stakeholder-advice\/detection\/infiltration-and-exfiltration-via-the-dns)\n          - [Lame Delegations](https:\/\/www.first.org\/global\/sigs\/dns\/stakeholder-advice\/detection\/lame-delegations)\n          - [Local Resolver Hijacking](https:\/\/www.first.org\/global\/sigs\/dns\/stakeholder-advice\/detection\/local-resolver-hijacking)\n          - [Malicious registration of (effective) second level domains](https:\/\/www.first.org\/global\/sigs\/dns\/stakeholder-advice\/detection\/malicious-registration-of-effective-second-level-domains)\n          - [On-path DNS Attack](https:\/\/www.first.org\/global\/sigs\/dns\/stakeholder-advice\/detection\/on-path-dns-attack)\n          - [Stub Resolver Hijacking](https:\/\/www.first.org\/global\/sigs\/dns\/stakeholder-advice\/detection\/stub-resolver-hijacking)\n          - [Spoofing of a Registered Domain](https:\/\/www.first.org\/global\/sigs\/dns\/stakeholder-advice\/detection\/spoofing-of-a-registered-domain)\n          - [Spoofing of Unregistered Domains](https:\/\/www.first.org\/global\/sigs\/dns\/stakeholder-advice\/detection\/spoofing-of-unregistered-domains)\n      - [Code of Conduct & Other Policies](https:\/\/www.first.org\/global\/sigs\/dns\/policies)\n      - [Examples of DNS Abuse](https:\/\/www.first.org\/global\/sigs\/dns\/dns-abuse-examples)\n    - [Ethics SIG](https:\/\/www.first.org\/global\/sigs\/ethics)\n      - [Ethics for Incident Response Teams](https:\/\/www.first.org\/global\/sigs\/ethics\/ethics-first)\n    - [Exploit Prediction Scoring System (EPSS)](https:\/\/www.first.org\/epss\/)\n      - [The EPSS Model](https:\/\/www.first.org\/epss\/model)\n      - [Data and Statistics](https:\/\/www.first.org\/epss\/data_stats)\n      - 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[FIRST Training](https:\/\/www.first.org\/education\/first-training)\n    - [Training Courses](https:\/\/www.first.org\/education\/trainings)\n    - [FIRST Trainers](https:\/\/www.first.org\/education\/trainers)\n- [Blog](https:\/\/www.first.org\/blog)\n\n[JoinDetails about FIRST membership and joining as a full member or liaison.](https:\/\/www.first.org\/join)[LearnTraining and workshop opportunities, and details about the FIRST learning platform.](https:\/\/www.first.org\/learn)[ParticipateRead about upcoming events, SIGs, and know what is going on.](https:\/\/www.first.org\/participate)[CommunityCommunity and Capacity Building.](https:\/\/www.first.org\/community)\n\nThis page requires JavaScript. If you have disabled scripting, please enable it.\n\n![CVSS logo](https:\/\/www.first.org\/cvss\/identity\/cvss_web.png)\n\n# Common Vulnerability Scoring System Version 3.1 Calculator\n\n- [Common Vulnerability Scoring System (CVSS-SIG)](https:\/\/www.first.org\/cvss\/)\n  - [Calculator](https:\/\/www.first.org\/cvss\/calculator\/4.0)\n  - [Specification Document](https:\/\/www.first.org\/cvss\/v4.0\/specification-document)\n  - [User Guide](https:\/\/www.first.org\/cvss\/v4.0\/user-guide)\n  - [Implementation Guide](https:\/\/www.first.org\/cvss\/v4.0\/implementation-guide)\n  - [Examples](https:\/\/www.first.org\/cvss\/v4.0\/examples)\n  - [Frequently Asked Questions](https:\/\/www.first.org\/cvss\/v4.0\/faq)\n  - [CVSS v4.0 Documentation & Resources](https:\/\/www.first.org\/cvss\/v4.0\/)\n    - [CVSS v4.0 Calculator](https:\/\/www.first.org\/cvss\/calculator\/4.0)\n    - [CVSS v4.0 Specification Document](https:\/\/www.first.org\/cvss\/v4.0\/specification-document)\n    - [CVSS v4.0 User Guide](https:\/\/www.first.org\/cvss\/v4.0\/user-guide)\n    - [CVSS v4.0 Implementation Guide](https:\/\/www.first.org\/cvss\/v4.0\/implementation-guide)\n    - [CVSS v4.0 Examples](https:\/\/www.first.org\/cvss\/v4.0\/examples)\n    - [CVSS v4.0 FAQ](https:\/\/www.first.org\/cvss\/v4.0\/faq)\n  - [CVSS v3.1 Archive](https:\/\/www.first.org\/cvss\/v3-1)\n    - [CVSS v3.1 Calculator](https:\/\/www.first.org\/cvss\/calculator\/3.1)\n    - [CVSS v3.1 Specification Document](https:\/\/www.first.org\/cvss\/v3.1\/specification-document)\n    - [CVSS v3.1 User Guide](https:\/\/www.first.org\/cvss\/v3.1\/user-guide)\n    - [CVSS v3.1 Examples](https:\/\/www.first.org\/cvss\/v3.1\/examples)\n    - [CVSS v3.1 Calculator Use & Design](https:\/\/www.first.org\/cvss\/v3.1\/use-design)\n  - [CVSS v3.0 Archive](https:\/\/www.first.org\/cvss\/v3-0)\n    - [CVSS v3.0 Calculator](https:\/\/www.first.org\/cvss\/calculator\/3.0)\n    - [CVSS v3.0 Specification Document](https:\/\/www.first.org\/cvss\/v3.0\/specification-document)\n    - [CVSS v3.0 User Guide](https:\/\/www.first.org\/cvss\/v3.0\/user-guide)\n    - [CVSS v3.0 Examples](https:\/\/www.first.org\/cvss\/v3.0\/examples)\n    - [CVSS v3.0 Calculator Use & Design](https:\/\/www.first.org\/cvss\/v3.0\/use-design)\n  - [CVSS v2 Archive](https:\/\/www.first.org\/cvss\/v2)\n    - [CVSS v2 Complete Documentation](https:\/\/www.first.org\/cvss\/v2\/guide)\n    - [CVSS v2 History](https:\/\/www.first.org\/cvss\/v2\/history)\n    - [CVSS-SIG team](https:\/\/www.first.org\/cvss\/v2\/team)\n    - [SIG Meetings](https:\/\/www.first.org\/cvss\/v2\/meetings)\n    - [Frequently Asked Questions](https:\/\/www.first.org\/cvss\/v2\/faq)\n    - [CVSS Adopters](https:\/\/www.first.org\/cvss\/v2\/adopters)\n    - [CVSS Links](https:\/\/www.first.org\/cvss\/v2\/links)\n  - [CVSS v1 Archive](https:\/\/www.first.org\/cvss\/v1)\n    - [Introduction to CVSS](https:\/\/www.first.org\/cvss\/v1\/intro)\n    - [Frequently Asked Questions](https:\/\/www.first.org\/cvss\/v1\/faq)\n    - [Complete CVSS v1 Guide](https:\/\/www.first.org\/cvss\/v1\/guide)\n  - [JSON & XML Data Representations](https:\/\/www.first.org\/cvss\/data-representations)\n  - [CVSS On-Line Training Course](https:\/\/www.first.org\/cvss\/training)\n  - [Identity & logo usage](https:\/\/www.first.org\/cvss\/identity)\n\n[Copyright](https:\/\/www.first.org\/copyright) © 2015—2026 by Forum of Incident Response and Security Teams, Inc. All Rights Reserved.","attrs_readable_markdown":"Hover over metric group names, metric names and metric values for a summary of the information in the official CVSS v3.1 Specification Document. The Specification is available in the list of links on the left, along with a User Guide providing additional scoring guidance, an Examples document of scored vulnerabilities, and notes on using this calculator (including its design and an XML representation for CVSS v3.1).\n\nBase Score\n\n### Attack Vector (AV)\nNetwork (N) Adjacent (A) Local (L) Physical (P)\n\n### Attack Complexity (AC)\nLow (L) High (H)\n\n### Privileges Required (PR)\nNone (N) Low (L) High (H)\n\n### User Interaction (UI)\nNone (N) Required (R)\n\n### Scope (S)\nUnchanged (U) Changed (C)\n\n### Confidentiality (C)\nNone (N) Low (L) High (H)\n\n### Integrity (I)\nNone (N) Low (L) High (H)\n\n### Availability (A)\nNone (N) Low (L) High (H)\n\nSelect values for all base metrics to generate score\n\nVector String - select values for all base metrics to generate a vector\n\nTemporal Score\n\n### Exploit Code Maturity (E)\nNot Defined (X) Unproven (U) Proof-of-Concept (P) Functional (F) High (H)\n\n### Remediation Level (RL)\nNot Defined (X) Official Fix (O) Temporary Fix (T) Workaround (W) Unavailable (U)\n\n### Report Confidence (RC)\nNot Defined (X) Unknown (U) Reasonable (R) Confirmed (C)\n\nSelect values for all base metrics to generate score\n\nEnvironmental Score\n\n### Confidentiality Requirement (CR)\nNot Defined (X) Low (L) Medium (M) High (H)\n\n### Integrity Requirement (IR)\nNot Defined (X) Low (L) Medium (M) High (H)\n\n### Availability Requirement (AR)\nNot Defined (X) Low (L) Medium (M) High (H)\n\n### Modified Attack Vector (MAV)\nNot Defined (X) Network Adjacent Network Local Physical\n\n### Modified Attack Complexity (MAC)\nNot Defined (X) Low High\n\n### Modified Privileges Required (MPR)\nNot Defined (X) None Low High\n\n### Modified User Interaction (MUI)\nNot Defined (X) None Required\n\n### Modified Scope (MS)\nNot Defined (X) Unchanged Changed\n\n### Modified Confidentiality (MC)\nNot Defined (X) None Low High\n\n### Modified Integrity (MI)\nNot Defined (X) None Low High\n\n### Modified Availability (MA)\nNot Defined (X) None Low High\n\nSelect values for all base metrics to generate score","meta_canonical":null}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📄

INDEXABLE

✅

CRAWLED

3 days ago

🤖

ROBOTS ALLOWED

Page Info Filters

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	0.1 months ago
History drop	PASS	`isNull(history_drop_reason)`	No drop reason
Spam/ban	PASS	`fh_dont_index != 1 AND ml_spam_score = 0`	ml_spam_score=0
Canonical	PASS	`meta_canonical IS NULL OR = '' OR = src_unparsed`	Not set

Page Details

Property	Value
URL	https://www.first.org/cvss/calculator/3-1
Last Crawled	2026-04-06 08:03:49 (3 days ago)
First Indexed	2025-03-11 21:33:08 (1 year ago)
HTTP Status Code	200
Meta Title	Common Vulnerability Scoring System Version 3.1 Calculator
Meta Description	null
Meta Canonical	null
Boilerpipe Text	Hover over metric group names, metric names and metric values for a summary of the information in the official CVSS v3.1 Specification Document. The Specification is available in the list of links on the left, along with a User Guide providing additional scoring guidance, an Examples document of scored vulnerabilities, and notes on using this calculator (including its design and an XML representation for CVSS v3.1). Base Score Attack Vector (AV) Network (N) Adjacent (A) Local (L) Physical (P) Attack Complexity (AC) Low (L) High (H) Privileges Required (PR) None (N) Low (L) High (H) User Interaction (UI) None (N) Required (R) Scope (S) Unchanged (U) Changed (C) Confidentiality (C) None (N) Low (L) High (H) Integrity (I) None (N) Low (L) High (H) Availability (A) None (N) Low (L) High (H) Select values for all base metrics to generate score Vector String - select values for all base metrics to generate a vector Temporal Score Exploit Code Maturity (E) Not Defined (X) Unproven (U) Proof-of-Concept (P) Functional (F) High (H) Remediation Level (RL) Not Defined (X) Official Fix (O) Temporary Fix (T) Workaround (W) Unavailable (U) Report Confidence (RC) Not Defined (X) Unknown (U) Reasonable (R) Confirmed (C) Select values for all base metrics to generate score Environmental Score Confidentiality Requirement (CR) Not Defined (X) Low (L) Medium (M) High (H) Integrity Requirement (IR) Not Defined (X) Low (L) Medium (M) High (H) Availability Requirement (AR) Not Defined (X) Low (L) Medium (M) High (H) Modified Attack Vector (MAV) Not Defined (X) Network Adjacent Network Local Physical Modified Attack Complexity (MAC) Not Defined (X) Low High Modified Privileges Required (MPR) Not Defined (X) None Low High Modified User Interaction (MUI) Not Defined (X) None Required Modified Scope (MS) Not Defined (X) Unchanged Changed Modified Confidentiality (MC) Not Defined (X) None Low High Modified Integrity (MI) Not Defined (X) None Low High Modified Availability (MA) Not Defined (X) None Low High Select values for all base metrics to generate score
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[CVSS v4.0 User Guide](https://www.first.org/cvss/v4.0/user-guide) - [CVSS v4.0 Implementation Guide](https://www.first.org/cvss/v4.0/implementation-guide) - [CVSS v4.0 Examples](https://www.first.org/cvss/v4.0/examples) - [CVSS v4.0 FAQ](https://www.first.org/cvss/v4.0/faq) - [CVSS v3.1 Archive](https://www.first.org/cvss/v3-1) - [CVSS v3.1 Calculator](https://www.first.org/cvss/calculator/3.1) - [CVSS v3.1 Specification Document](https://www.first.org/cvss/v3.1/specification-document) - [CVSS v3.1 User Guide](https://www.first.org/cvss/v3.1/user-guide) - [CVSS v3.1 Examples](https://www.first.org/cvss/v3.1/examples) - [CVSS v3.1 Calculator Use & Design](https://www.first.org/cvss/v3.1/use-design) - [CVSS v3.0 Archive](https://www.first.org/cvss/v3-0) - [CVSS v3.0 Calculator](https://www.first.org/cvss/calculator/3.0) - [CVSS v3.0 Specification Document](https://www.first.org/cvss/v3.0/specification-document) - [CVSS v3.0 User Guide](https://www.first.org/cvss/v3.0/user-guide) - [CVSS v3.0 Examples](https://www.first.org/cvss/v3.0/examples) - [CVSS v3.0 Calculator Use & Design](https://www.first.org/cvss/v3.0/use-design) - [CVSS v2 Archive](https://www.first.org/cvss/v2) - [CVSS v2 Complete Documentation](https://www.first.org/cvss/v2/guide) - [CVSS v2 History](https://www.first.org/cvss/v2/history) - [CVSS-SIG team](https://www.first.org/cvss/v2/team) - [SIG Meetings](https://www.first.org/cvss/v2/meetings) - [Frequently Asked Questions](https://www.first.org/cvss/v2/faq) - [CVSS Adopters](https://www.first.org/cvss/v2/adopters) - [CVSS Links](https://www.first.org/cvss/v2/links) - [CVSS v1 Archive](https://www.first.org/cvss/v1) - [Introduction to CVSS](https://www.first.org/cvss/v1/intro) - [Frequently Asked Questions](https://www.first.org/cvss/v1/faq) - [Complete CVSS v1 Guide](https://www.first.org/cvss/v1/guide) - [JSON & XML Data Representations](https://www.first.org/cvss/data-representations) - [CVSS On-Line Training Course](https://www.first.org/cvss/training) - [Identity & logo usage](https://www.first.org/cvss/identity) - [CSIRT Framework Development SIG](https://www.first.org/global/sigs/csirt) - [Cyber Insurance SIG](https://www.first.org/global/sigs/cyberinsurance) - [Cyber Insurance SIG Webinars](https://www.first.org/global/sigs/cyberinsurance/events) - [Cyber Threat Intelligence SIG](https://www.first.org/global/sigs/cti) - [Curriculum](https://www.first.org/global/sigs/cti/curriculum/) - [Introduction](https://www.first.org/global/sigs/cti/curriculum/introduction) - [Introduction to CTI as a General topic](https://www.first.org/global/sigs/cti/curriculum/cti-introduction) - [Methods and Methodology](https://www.first.org/global/sigs/cti/curriculum/methods-methodology) - [Priority Intelligence Requirement (PIR)](https://www.first.org/global/sigs/cti/curriculum/pir) - [Source Evaluation and Information Reliability](https://www.first.org/global/sigs/cti/curriculum/source-evaluation) - [Machine and Human Analysis Techniques (and Intelligence Cycle)](https://www.first.org/global/sigs/cti/curriculum/machine-human) - [Threat Modelling](https://www.first.org/global/sigs/cti/curriculum/threat-modelling) - [Training](https://www.first.org/global/sigs/cti/curriculum/training) - [Standards](https://www.first.org/global/sigs/cti/curriculum/standards) - [Glossary](https://www.first.org/global/sigs/cti/curriculum/glossary) - [Communicating Uncertainties in CTI Reporting](https://www.first.org/global/sigs/cti/curriculum/cti-reporting/) - [Webinars and Online Training](https://www.first.org/global/sigs/cti/events/) - [Building a CTI program and team](https://www.first.org/global/sigs/cti/cti-program) - [Program maturity stages](https://www.first.org/global/sigs/cti/cti-program/program-stages) - [CTI Maturity model - Stage 1](https://www.first.org/global/sigs/cti/cti-program/stage1) - [CTI Maturity model - Stage 2](https://www.first.org/global/sigs/cti/cti-program/stage2) - [CTI Maturity model - Stage 3](https://www.first.org/global/sigs/cti/cti-program/stage3) - [Program Starter Kit](https://www.first.org/global/sigs/cti/cti-program/starter-kit) - [Resources and supporting materials](https://www.first.org/global/sigs/cti/cti-program/resources) - [Detection Engineering & Threat Hunting SIG](https://www.first.org/global/sigs/de-th/) - [Digital Safety SIG](https://www.first.org/global/sigs/digital-safety) - [DNS Abuse SIG](https://www.first.org/global/sigs/dns) - [Stakeholder Advice](https://www.first.org/global/sigs/dns/stakeholder-advice/) - [Detection]() - [Cache Poisoning](https://www.first.org/global/sigs/dns/stakeholder-advice/detection/cache-poisoning) - [Creation of Malicious Subdomains Under Dynamic DNS Providers](https://www.first.org/global/sigs/dns/stakeholder-advice/detection/creation-of-malicious-subdomains-under-dynamic-dns-providers) - [DGA Domains](https://www.first.org/global/sigs/dns/stakeholder-advice/detection/dga) - [DNS As a Vector for DoS](https://www.first.org/global/sigs/dns/stakeholder-advice/detection/dns-as-a-vector-for-dos) - [DNS Beacons - C2 Communication](https://www.first.org/global/sigs/dns/stakeholder-advice/detection/dns-beacons-c2-communication) - [DNS Rebinding](https://www.first.org/global/sigs/dns/stakeholder-advice/detection/dns-rebinding) - [DNS Server Compromise](https://www.first.org/global/sigs/dns/stakeholder-advice/detection/dns-server-compromise) - [DNS Tunneling](https://www.first.org/global/sigs/dns/stakeholder-advice/detection/dns-tunneling) - [DoS Against the DNS](https://www.first.org/global/sigs/dns/stakeholder-advice/detection/dos-against-the-dns) - [Domain Name Compromise](https://www.first.org/global/sigs/dns/stakeholder-advice/detection/domain-name-compromise) - [Dynamic DNS (as obfuscation technique)](https://www.first.org/global/sigs/dns/stakeholder-advice/detection/dynamic-dns-resolution-as-obfuscation-technique) - [Fast Flux (as obfuscation technique)](https://www.first.org/global/sigs/dns/stakeholder-advice/detection/fast-flux) - [Infiltration and exfiltration via the DNS](https://www.first.org/global/sigs/dns/stakeholder-advice/detection/infiltration-and-exfiltration-via-the-dns) - [Lame Delegations](https://www.first.org/global/sigs/dns/stakeholder-advice/detection/lame-delegations) - [Local Resolver Hijacking](https://www.first.org/global/sigs/dns/stakeholder-advice/detection/local-resolver-hijacking) - [Malicious registration of (effective) second level domains](https://www.first.org/global/sigs/dns/stakeholder-advice/detection/malicious-registration-of-effective-second-level-domains) - [On-path DNS Attack](https://www.first.org/global/sigs/dns/stakeholder-advice/detection/on-path-dns-attack) - [Stub Resolver Hijacking](https://www.first.org/global/sigs/dns/stakeholder-advice/detection/stub-resolver-hijacking) - [Spoofing of a Registered Domain](https://www.first.org/global/sigs/dns/stakeholder-advice/detection/spoofing-of-a-registered-domain) - [Spoofing of Unregistered Domains](https://www.first.org/global/sigs/dns/stakeholder-advice/detection/spoofing-of-unregistered-domains) - [Code of Conduct & Other Policies](https://www.first.org/global/sigs/dns/policies) - [Examples of DNS Abuse](https://www.first.org/global/sigs/dns/dns-abuse-examples) - [Ethics SIG](https://www.first.org/global/sigs/ethics) - [Ethics for Incident Response Teams](https://www.first.org/global/sigs/ethics/ethics-first) - [Exploit Prediction Scoring System (EPSS)](https://www.first.org/epss/) - [The EPSS Model](https://www.first.org/epss/model) - [Data and Statistics](https://www.first.org/epss/data_stats) - [User Guide](https://www.first.org/epss/user-guide) - [EPSS Research and Presentations](https://www.first.org/epss/research) - [Frequently Asked Questions](https://www.first.org/epss/faq) - [Who is using EPSS?](https://www.first.org/epss/who_is_using) - [Open-source EPSS Tools](https://www.first.org/epss/epss_tools) - [API](https://www.first.org/epss/api) - [Related Exploit Research](https://www.first.org/epss/papers) - [Blog]() - [Understanding EPSS Probabilities and Percentiles](https://www.first.org/epss/articles/prob_percentile_bins) - [Log4Shell Use Case](https://www.first.org/epss/articles/log4shell) - [Estimating CVSS v3 Scores for 100,000 Older Vulnerabilities](https://www.first.org/epss/articles/estimating_old_cvss) - [Data Partners](https://www.first.org/epss/partners) - [FIRST Multi-Stakeholder Ransomware SIG](https://www.first.org/global/sigs/msr/) - [Human Factors in Security SIG](https://www.first.org/global/sigs/hfs/) - [Industrial Control Systems SIG (ICS-SIG)](https://www.first.org/global/sigs/ics) - [Information Exchange Policy SIG (IEP-SIG)](https://www.first.org/global/sigs/iep) - [Information Sharing SIG](https://www.first.org/global/sigs/information-sharing) - [Malware Information Sharing Platform](https://www.first.org/global/sigs/information-sharing/misp) - [Law Enforcement SIG](https://www.first.org/global/sigs/le) - [Malware Analysis SIG](https://www.first.org/global/sigs/malware) - [Malware Analysis Framework](https://www.first.org/global/sigs/malware/ma-framework) - [Malware Analysis Tools](https://www.first.org/global/sigs/malware/ma-framework/malwaretools) - [Metrics SIG](https://www.first.org/global/sigs/metrics) - [Metrics SIG Webinars](https://www.first.org/global/sigs/metrics/events) - [NETSEC SIG](https://www.first.org/global/sigs/netsec/) - [Public Policy SIG](https://www.first.org/global/sigs/policy) - [PSIRT SIG](https://www.first.org/global/sigs/psirt) - [Red Team SIG](https://www.first.org/global/sigs/red-team) - [Security Lounge SIG](https://www.first.org/global/sigs/ctf) - [Security Operations Center SIG](https://www.first.org/global/sigs/soc/) - [Strategic Thinking and Planning SIG](https://www.first.org/global/sigs/stp/) - [Threat Intel Coalition SIG](https://www.first.org/global/sigs/tic/) - [Membership Requirements and Veto Rules](https://www.first.org/global/sigs/tic/membership-rules) - [Time SIG](https://www.first.org/global/sigs/time/) - [Traffic Light Protocol (TLP-SIG)](https://www.first.org/global/sigs/tlp) - [Transportation and Mobility SIG](https://www.first.org/global/sigs/transport) - [Vulnerability Coordination](https://www.first.org/global/sigs/vulnerability-coordination) - [Multi-Party Vulnerability Coordination and Disclosure](https://www.first.org/global/sigs/vulnerability-coordination/multiparty) - [Guidelines and Practices for Multi-Party Vulnerability Coordination and Disclosure](https://www.first.org/global/sigs/vulnerability-coordination/multiparty/guidelines) - [Vulnerability Reporting and Data eXchange SIG (VRDX-SIG)](https://www.first.org/global/sigs/vrdx) - [Vulnerability Database Catalog](https://www.first.org/global/sigs/vrdx/vdb-catalog) - [Women of FIRST](https://www.first.org/global/sigs/wof) - [CCB Initiatives](https://www.first.org/global/ccb-initiatives) - [FIRST CORE](https://www.first.org/global/core) - [Sponsorship Opportunities](https://www.first.org/global/core/sponsorship) - [Internet Governance](https://www.first.org/global/governance) - [IR Database](https://www.first.org/global/irt-database) - [Fellowship Program](https://www.first.org/global/fellowship) - [Application Form](https://portal.first.org/fellowship) - [Mentorship Program](https://www.first.org/global/mentorship) - [IR Hall of Fame](https://www.first.org/hof) - [Hall of Fame Inductees](https://www.first.org/hof/inductees) - 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[IEP 2.0 JSON Specification](https://www.first.org/iep/iep-json-2_0) - [Standard IEP Policies](https://www.first.org/iep/iep-polices) - [IEP TLP Policy File](https://www.first.org/iep/2.0/first-tlp-iep.iepj) - [IEP Unknown Policy File](https://www.first.org/iep/2.0/first-unknown-iep.iepj) - [IEP 1.0 Archive](https://www.first.org/iep/iep_v1_0) - [Passive DNS Exchange](https://www.first.org/global/sigs/passive-dns) - [Exploit Prediction Scoring System (EPSS)](https://www.first.org/epss) - [Publications](https://www.first.org/resources/papers) - [Events](https://www.first.org/events) - [Education](https://www.first.org/education) - [FIRST Training](https://www.first.org/education/first-training) - [Training Courses](https://www.first.org/education/trainings) - [FIRST Trainers](https://www.first.org/education/trainers) - [Blog](https://www.first.org/blog) [JoinDetails about FIRST membership and joining as a full member or liaison.](https://www.first.org/join)[LearnTraining and workshop opportunities, and details about the FIRST learning platform.](https://www.first.org/learn)[ParticipateRead about upcoming events, SIGs, and know what is going on.](https://www.first.org/participate)[CommunityCommunity and Capacity Building.](https://www.first.org/community) This page requires JavaScript. If you have disabled scripting, please enable it. ![CVSS logo](https://www.first.org/cvss/identity/cvss_web.png) # Common Vulnerability Scoring System Version 3.1 Calculator - [Common Vulnerability Scoring System (CVSS-SIG)](https://www.first.org/cvss/) - [Calculator](https://www.first.org/cvss/calculator/4.0) - [Specification Document](https://www.first.org/cvss/v4.0/specification-document) - [User Guide](https://www.first.org/cvss/v4.0/user-guide) - [Implementation Guide](https://www.first.org/cvss/v4.0/implementation-guide) - [Examples](https://www.first.org/cvss/v4.0/examples) - [Frequently Asked Questions](https://www.first.org/cvss/v4.0/faq) - [CVSS v4.0 Documentation & Resources](https://www.first.org/cvss/v4.0/) - [CVSS v4.0 Calculator](https://www.first.org/cvss/calculator/4.0) - [CVSS v4.0 Specification Document](https://www.first.org/cvss/v4.0/specification-document) - [CVSS v4.0 User Guide](https://www.first.org/cvss/v4.0/user-guide) - [CVSS v4.0 Implementation Guide](https://www.first.org/cvss/v4.0/implementation-guide) - [CVSS v4.0 Examples](https://www.first.org/cvss/v4.0/examples) - [CVSS v4.0 FAQ](https://www.first.org/cvss/v4.0/faq) - [CVSS v3.1 Archive](https://www.first.org/cvss/v3-1) - [CVSS v3.1 Calculator](https://www.first.org/cvss/calculator/3.1) - [CVSS v3.1 Specification Document](https://www.first.org/cvss/v3.1/specification-document) - [CVSS v3.1 User Guide](https://www.first.org/cvss/v3.1/user-guide) - [CVSS v3.1 Examples](https://www.first.org/cvss/v3.1/examples) - [CVSS v3.1 Calculator Use & Design](https://www.first.org/cvss/v3.1/use-design) - [CVSS v3.0 Archive](https://www.first.org/cvss/v3-0) - [CVSS v3.0 Calculator](https://www.first.org/cvss/calculator/3.0) - [CVSS v3.0 Specification Document](https://www.first.org/cvss/v3.0/specification-document) - [CVSS v3.0 User Guide](https://www.first.org/cvss/v3.0/user-guide) - [CVSS v3.0 Examples](https://www.first.org/cvss/v3.0/examples) - [CVSS v3.0 Calculator Use & Design](https://www.first.org/cvss/v3.0/use-design) - [CVSS v2 Archive](https://www.first.org/cvss/v2) - [CVSS v2 Complete Documentation](https://www.first.org/cvss/v2/guide) - [CVSS v2 History](https://www.first.org/cvss/v2/history) - [CVSS-SIG team](https://www.first.org/cvss/v2/team) - [SIG Meetings](https://www.first.org/cvss/v2/meetings) - [Frequently Asked Questions](https://www.first.org/cvss/v2/faq) - [CVSS Adopters](https://www.first.org/cvss/v2/adopters) - [CVSS Links](https://www.first.org/cvss/v2/links) - [CVSS v1 Archive](https://www.first.org/cvss/v1) - [Introduction to CVSS](https://www.first.org/cvss/v1/intro) - [Frequently Asked Questions](https://www.first.org/cvss/v1/faq) - [Complete CVSS v1 Guide](https://www.first.org/cvss/v1/guide) - [JSON & XML Data Representations](https://www.first.org/cvss/data-representations) - [CVSS On-Line Training Course](https://www.first.org/cvss/training) - [Identity & logo usage](https://www.first.org/cvss/identity) [Copyright](https://www.first.org/copyright) © 2015—2026 by Forum of Incident Response and Security Teams, Inc. All Rights Reserved.
Readable Markdown	Hover over metric group names, metric names and metric values for a summary of the information in the official CVSS v3.1 Specification Document. The Specification is available in the list of links on the left, along with a User Guide providing additional scoring guidance, an Examples document of scored vulnerabilities, and notes on using this calculator (including its design and an XML representation for CVSS v3.1). Base Score ### Attack Vector (AV) Network (N) Adjacent (A) Local (L) Physical (P) ### Attack Complexity (AC) Low (L) High (H) ### Privileges Required (PR) None (N) Low (L) High (H) ### User Interaction (UI) None (N) Required (R) ### Scope (S) Unchanged (U) Changed (C) ### Confidentiality (C) None (N) Low (L) High (H) ### Integrity (I) None (N) Low (L) High (H) ### Availability (A) None (N) Low (L) High (H) Select values for all base metrics to generate score Vector String - select values for all base metrics to generate a vector Temporal Score ### Exploit Code Maturity (E) Not Defined (X) Unproven (U) Proof-of-Concept (P) Functional (F) High (H) ### Remediation Level (RL) Not Defined (X) Official Fix (O) Temporary Fix (T) Workaround (W) Unavailable (U) ### Report Confidence (RC) Not Defined (X) Unknown (U) Reasonable (R) Confirmed (C) Select values for all base metrics to generate score Environmental Score ### Confidentiality Requirement (CR) Not Defined (X) Low (L) Medium (M) High (H) ### Integrity Requirement (IR) Not Defined (X) Low (L) Medium (M) High (H) ### Availability Requirement (AR) Not Defined (X) Low (L) Medium (M) High (H) ### Modified Attack Vector (MAV) Not Defined (X) Network Adjacent Network Local Physical ### Modified Attack Complexity (MAC) Not Defined (X) Low High ### Modified Privileges Required (MPR) Not Defined (X) None Low High ### Modified User Interaction (MUI) Not Defined (X) None Required ### Modified Scope (MS) Not Defined (X) Unchanged Changed ### Modified Confidentiality (MC) Not Defined (X) None Low High ### Modified Integrity (MI) Not Defined (X) None Low High ### Modified Availability (MA) Not Defined (X) None Low High Select values for all base metrics to generate score
Shard	189 (laksa)
Root Hash	11567983919469339389
Unparsed URL	org,first!www,/cvss/calculator/3-1 s443