What is CVE-2024-43433?

CVE-2024-43433 is a medium-severity vulnerability in Moodle, classified under Incorrect Authorization. CVSS score: 5.3/10. Published 2024-11-11.

How severe is CVE-2024-43433?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Moodle

CVE-2024-43433

A flaw was found in moodle. Matrix room membership and power levels are incorrectly applied and revoked for suspended Moodle users.

Vulnerability class: Broken Access Control

Published 2024-11-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (23.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Moodle

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

bugzilla.redhat.com/show_bug.cgi (Permissions Required, issue-tracking)
moodle.org/mod/forum/discuss.php (Vendor Advisory)

Frequently asked questions

What is CVE-2024-43433?: CVE-2024-43433 is a medium-severity vulnerability in Moodle, classified under Incorrect Authorization. CVSS score: 5.3/10. Published 2024-11-11.
How severe is CVE-2024-43433?: Medium severity. CVSS v3 base score is 5.3 out of 10.