Information disclosure in MediaWiki - CVE-2021-29483
Published: July 9, 2021
Vulnerability identifier: #VU54643
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-29483
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application in the "wikiconfig" API. A remote attacker can gain unauthorized access to sensitive information on the system.
Affected software
MediaWiki
How to mitigate CVE-2021-29483
Install updates from vendor's website.
MediaWiki - addressed in versions 1.31.15, 1.35.3, 1.36.1