CVE Vulnerability

CVE-2021-44857

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. It is possible to use action=mcrundo followed by action=mcrrestore to replace the content of any arbitrary page (that the user doesn't have edit rights for). This applies to any public wiki, or a private wiki that has at least one page set in $wgWhitelistRead.

4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://www.mediawiki.org/wiki/2021-12_security_release/FAQ Vendor Advisory
https://phabricator.wikimedia.org/T297322 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
Information

Published : 2021-12-17 04:15

Updated : 2022-07-12 05:42

NVD link : CVE-2021-44857

Mitre link : CVE-2021-44857

Products Affected
No products.
CWE
CWE-862