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7.5
CVSSv3

CVE-2021-41799

Published: 11/10/2021 Updated: 07/11/2023
CVSS v2 Base Score: 5 | Impact Score: 2.9 | Exploitability Score: 10
CVSS v3 Base Score: 7.5 | Impact Score: 3.6 | Exploitability Score: 3.9
VMScore: 445
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
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Vulnerability Summary

MediaWiki prior to 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.

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Vendor Advisories

Debian Security Advisories: DSA-4979-1 mediawiki -- security update
Multiple security issues were found in MediaWiki, a website engine for collaborative work, which could result in cross-site scripting, denial of service and a bypass of restrictions in the Replace Text extension For the oldstable distribution (buster), these problems have been fixed in version 1:13116-1~deb10u1 For the stable distribution (bull ...
Red Hat: CVE-2021-41799
No description is available for this CVE ...
Arch Linux Issues:
A security issue has been found in MediaWiki before version 1362 ApiQueryBacklinks can cause a full table scan, leading to high resource consumption ...

References

CWE-770https://phabricator.wikimedia.org/T290394https://security.gentoo.org/glsa/202305-24https://lists.wikimedia.org/hyperkitty/list/wikitech-l%40lists.wikimedia.org/thread/2IFS5CM2YV4VMSODPX3J2LFHKSEWVFV5/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QNEAI2T3Y65I55ZB6UE6RMC662RZTGRX/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://nvd.nist.govhttps://www.debian.org/security/2021/dsa-4979
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2006-4304CVE-2024-4240arbitrary CVE-2024-31601XSSCVE-2023-20198CVE-2024-4256CVE-2024-3342encryption
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