Improper access control in MediaWiki - CVE-2024-34505

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Main Vulnerability Database Vulnerabilities #VU89200

Improper access control in MediaWiki - CVE-2024-34505

Published: May 7, 2024


Vulnerability identifier: #VU89200
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2024-34505
CWE-ID: CWE-284
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 unauthorized access to otherwise restricted functionality.

The vulnerability exists due to temporary account IP reveal does not check the deleted status in the CheckUser extension. A remote attacker can bypass implemented security restrictions and gain unauthorized access to sensitive information.


How to mitigate CVE-2024-34505

Install updates from vendor's website.

Sources