CSRF in Moodle
CVE-2018-16854
A flaw was found in moodle versions 3.5 to 3.5.2, 3.4 to 3.4.5, 3.3 to 3.3.8, 3.1 to 3.1.14 and earlier. The login form is not protected by a token to prevent login cross-site request forgery. Fixed versions include 3.6, 3.5.3, 3.4.6, 3.3.9 and 3.1.15.
Vulnerability class: CSRF (Cross-Site Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.
EPSS exploit prediction
EPSS: 0.023 (82.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000
Affected products
- Moodle
- [Unknown] Moodle — versions 3.3.9, 3.1.15, 3.5.3
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
- www.securitytracker.com/id/1042154 (VDB Entry, Third Party Advisory, vdb-entry)
- git.moodle.org/gw (Patch, Vendor Advisory)
- www.securityfocus.com/bid/106017 (VDB Entry, Third Party Advisory, vdb-entry)
- moodle.org/mod/forum/discuss.php (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-16854?
- CVE-2018-16854 is a medium-severity vulnerability in Moodle, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2018-11-26.
- How severe is CVE-2018-16854?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2018-16854 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.