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CVE-2021-45038

Published: 17 December 2021

An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. By using an action=rollback query, attackers can view private wiki contents.

Notes

AuthorNote
sbeattie
include upstream dda5355c0ee804c94ff371a8a16c4a2a8e4436bd as
a prerequisite to the fix for this CVE to make it apply more cleanly.
introduced in 0a8403271109 (v1.33.0)

Priority

Medium

Cvss 3 Severity Score

5.3

Score breakdown

Status

Package Release Status
mediawiki
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
hirsute Ignored
(end of life)
impish Ignored
(end of life)
jammy Not vulnerable
(1:1.35.5-1)
trusty Not vulnerable
(code not present)
upstream
Released (1:1.35.5-1)
xenial Does not exist

Patches:
upstream: https://github.com/wikimedia/mediawiki/commit/03d5b2752cffbdc233be7cb610c92369709323b3

Severity score breakdown

Parameter Value
Base score 5.3
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact None
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N