PT-2021-21125 · Mediawiki+1 · Mediawiki+1

Hoo · Published 2021-06-12 · Updated 2024-03-06 · CVE-2021-36128

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions: MediaWiki versions prior to 1.36

Description: An issue was discovered in the CentralAuth extension. Autoblocks for CentralAuth-issued suppression blocks are not properly implemented.

Recommendations: For MediaWiki versions prior to 1.36, consider updating to a version that properly implements autoblocks for CentralAuth-issued suppression blocks. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Handling of Exceptional Conditions

Weakness Enumeration

CWE-755

Related Identifiers

ALT-PU-2021-1991

ALT-PU-2021-2091

BIT-MEDIAWIKI-2021-36128

CVE-2021-36128

Affected Products

Alt Linux

Mediawiki

References · 8

• 🔥 https://phabricator.wikimedia.org/T281972 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-36128 · Security Note
• https://osv.dev/vulnerability/BIT-mediawiki-2021-36128 · Vendor Advisory
• https://gerrit.wikimedia.org/r/q/I15d14c88a1e30df92c470bc191c4ee573172d4d1 · Vendor Advisory
• https://gerrit.wikimedia.org/r/q/I3e65690695313380c798b62edfda726b6e374f89 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-36128 · Vendor Advisory
• https://t.me/cvenotify/16986 · Telegram Post
• https://t.me/cvenotify/16995 · Telegram Post