Improper access control in Moodle - CVE-2023-5549
Published: October 18, 2023
Vulnerability identifier: #VU82194
CSH Severity: Low
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-2023-5549
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 insufficient capability checks when updating the parent of a course category. A remote user can move categories a they have permission to manage, to a parent category they have not have the capability to manage.
Affected software
Moodle
How to mitigate CVE-2023-5549
Install updates from vendor's website.
Moodle - addressed in versions 3.9.24, 3.11.17, 4.0.11, 4.1.6, 4.2.3