Information disclosure in MediaWiki - CVE-2020-25869

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Main Vulnerability Database Vulnerabilities #VU47353

Information disclosure in MediaWiki - CVE-2020-25869

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


Vulnerability identifier: #VU47353
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2020-25869
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: MediaWiki.org
Affected software:
MediaWiki

Detailed vulnerability description

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.


How to mitigate CVE-2020-25869

Install updates from vendor's website.

Sources