Improper access control in Moodle - CVE-2023-23923
Published: February 1, 2023
Vulnerability identifier: #VU71733
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-23923
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 limitations on the "start page" preference. A remote attacker can set that preference for another user.
Affected software
Moodle
How to mitigate CVE-2023-23923
Install updates from vendor's website.
Moodle - addressed in versions 3.9.19, 3.11.12, 4.0.6, 4.1.1