Improper access control in Moodle - CVE-2025-3647

 

Improper access control in Moodle - CVE-2025-3647

Published: April 22, 2025


Vulnerability identifier: #VU107634
CSH Severity: Medium
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-3647
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to the IDOR issue when accessing the cohorts report. A remote user can fetch cohort data they are not have access to.


Affected software

Moodle

How to mitigate CVE-2025-3647

Install updates from vendor's website.

Moodle - addressed in versions 4.1.18, 4.3.12, 4.4.8, 4.5.4

External References

Related Security Bulletins