#VU18022 Improper Authorization in Moodle - CVE-2019-3852

Vulnerability identifier: #VU18022

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2019-3852

CWE-ID: CWE-285

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
Moodle

Software vendor:
moodle.org

The vulnerability allows a remote attacker to bypass certain security restrictions.

The vulnerability exists due to get_with_capability_join() and get_users_by_capability() methods did not take into consideration current activity status of the account (e.g. if the account is frozen or not) when checking user capabilities.

Install updates from vendor's website.

• https://moodle.org/mod/forum/discuss.php?d=384015