Information disclosure in MediaWiki - CVE-2020-25869

 

Information disclosure in MediaWiki - CVE-2020-25869

Published: September 27, 2020 / Updated: October 6, 2020


Vulnerability identifier: #VU47353
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-2020-25869
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 handling of actor ID does not necessarily use the correct database or correct wiki. A remote attacker can gain unauthorized access to sensitive information on the system.


Affected software

MediaWiki

How to mitigate CVE-2020-25869

Install updates from vendor's website.

MediaWiki - addressed in versions 1.31.10, 1.34.4

External References

Related Security Bulletins