VulnerabilityModified
CVE-2021-41800
MediaWiki before 1.36.2 allows a denial of service (resource consumption because of lengthy query processing time).
MEDIUM 5.3EPSS 1.81%
Does this matter?
Lower severity and a low EPSS score (1.81%). Track it; it rarely justifies an emergency change on its own.
Description
MediaWiki before 1.36.2 allows a denial of service (resource consumption because of lengthy query processing time). Visiting Special:Contributions can sometimes result in a long running SQL query because PoolCounter protection is mishandled.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- EPSS
- 1.81% probability · 77th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-770
- Affected
- mediawiki/mediawiki · fedoraproject/fedora
- Source
- cve@mitre.org
References
- https://github.com/wikimedia/mediawiki/commit/781caf83dba90c18349f930bbaaa0e89f003f874Patch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CJDYJQWT43GBD6GNQ4OW7JOZ6WQ6DZTN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MDBPECBWN6LWNSWIQMVXK6PP4YFEUYHA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QNEAI2T3Y65I55ZB6UE6RMC662RZTGRX/
- https://lists.wikimedia.org/hyperkitty/list/wikitech-l%40lists.wikimedia.org/thread/2IFS5CM2YV4VMSODPX3J2LFHKSEWVFV5/
- https://phabricator.wikimedia.org/T284419Permissions Required
- https://security.gentoo.org/glsa/202305-24
- https://github.com/wikimedia/mediawiki/commit/781caf83dba90c18349f930bbaaa0e89f003f874Patch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CJDYJQWT43GBD6GNQ4OW7JOZ6WQ6DZTN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MDBPECBWN6LWNSWIQMVXK6PP4YFEUYHA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QNEAI2T3Y65I55ZB6UE6RMC662RZTGRX/
- https://lists.wikimedia.org/hyperkitty/list/wikitech-l%40lists.wikimedia.org/thread/2IFS5CM2YV4VMSODPX3J2LFHKSEWVFV5/
- https://phabricator.wikimedia.org/T284419Permissions Required
- https://security.gentoo.org/glsa/202305-24
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.