Input validation error in MediaWiki - CVE-2021-42049
Published: October 11, 2021
Vulnerability identifier: #VU57195
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-42049
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to oversight action not reversible in translated.
Affected software
MediaWiki
How to mitigate CVE-2021-42049
Install updates from vendor's website.
MediaWiki - addressed in versions 1.31.16, 1.35.4, 1.36.2