Improper Authentication in Moodle - CVE-2025-3634
Published: April 22, 2025
Vulnerability identifier: #VU107620
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-3634
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error when processing authentication requests with MFA enabled. A remote user can gain access to self enrolment without passing a second login factor.
Affected software
Moodle
How to mitigate CVE-2025-3634
Install updates from vendor's website.
Moodle - addressed in versions 4.3.12, 4.4.8, 4.5.4