CVE-2021-30152 — Improper Privilege Management in Mediawiki

CWE-269 — Improper Privilege ManagementCWE-281 — Improper Preservation of PermissionsCWE-732 — Incorrect Permission Assignment5 documents5 sources
Severity
4.3MEDIUMNVD
EPSS
0.4%
top 40.90%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
MediawikiDebian MediawikiDebian Linux+1 more
Timeline
PublishedApr 9
Latest updateMay 24

Description

An issue was discovered in MediaWiki before 1.31.13 and 1.32.x through 1.35.x before 1.35.2. When using the MediaWiki API to "protect" a page, a user is currently able to protect to a higher level than they currently have permissions for.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NExploitability: 2.8 | Impact: 1.4

Affected Packages3 packages

▶debiandebian/mediawiki< mediawiki 1:1.35.2-1 (bookworm)
▶NVDmediawiki/mediawiki1.32.0 — 1.35.2+1
▶Debianmediawiki/mediawiki< 1:1.35.2-1+3

Also affects: Debian Linux 10.0, 9.0, Fedora 33, 34

Patches

Patch: phabricator.wikimedia.org ↗Patch: phabricator.wikimedia.org ↗

🔴Vulnerability Details

2
GHSA
GHSA-9q28-h7m9-gwr9: An issue was discovered in MediaWiki before 1↗2022-05-24
▶
OSV
CVE-2021-30152: An issue was discovered in MediaWiki before 1↗2021-04-09
▶

📋Vendor Advisories

2
Debian
CVE-2021-30152: mediawiki - An issue was discovered in MediaWiki before 1.31.13 and 1.32.x through 1.35.x be...↗2021
▶
Red Hat
mediawiki: action=protect lets users with 'protect' permission protect to higher protection level↗2020-12-22
▶
CVE-2021-30152 — Improper Privilege Management | cvebase