CVE-2021-41799

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
MediaWiki before 1.36.2 allows a denial of service (resource consumption because of lengthy query processing time). ApiQueryBacklinks (action=query&list=backlinks) can cause a full table scan.
Overview
  • CVE ID
  • CVE-2021-41799
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-10-11T08:15:06
  • Last Modified Date
  • 2021-11-26T20:55:54
Weakness Enumerations
CWE URL
CWE-770 http://cwe.mitre.org/data/definitions/770.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* 1 OR 1.36.2
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://lists.wikimedia.org/hyperkitty/list/wikitech-l@lists.wikimedia.org/thread/2IFS5CM2YV4VMSODPX3J2LFHKSEWVFV5/ Release Notes Third Party Advisory
https://phabricator.wikimedia.org/T290394 Permissions Required
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QNEAI2T3Y65I55ZB6UE6RMC662RZTGRX/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CJDYJQWT43GBD6GNQ4OW7JOZ6WQ6DZTN/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MDBPECBWN6LWNSWIQMVXK6PP4YFEUYHA/ Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-41799
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41799
History
Created Old Value New Value Data Type Notes
2022-05-10 06:44:53 Added to TrackCVE
2022-12-05 12:08:33 2021-10-11T08:15Z 2021-10-11T08:15:06 CVE Published Date updated
2022-12-05 12:08:33 2021-11-26T20:55:54 CVE Modified Date updated
2022-12-05 12:08:33 Analyzed Vulnerability Status updated