What is CVE-2019-3852?

CVE-2019-3852 is a medium-severity vulnerability in Moodle. CVSS score: 4.3/10. Published 2019-03-26.

How severe is CVE-2019-3852?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Is CVE-2019-3852 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Moodle

CVE-2019-3852

A vulnerability was found in moodle before version 3.6.3. The get_with_capability_join and get_users_by_capability functions were not taking context freezing into account when checking user capabilities

Published 2019-03-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.011 (64.3th percentile), scored 2026-10-25.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.011 · change: +0.002

Affected products

Moodle
[Unknown] Moodle — versions 3.6.3

Public proof-of-concept exploits

jev770/badmoodle-scan

References

moodle.org/mod/forum/discuss.php (Patch, Vendor Advisory)
bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2019-3852?: CVE-2019-3852 is a medium-severity vulnerability in Moodle. CVSS score: 4.3/10. Published 2019-03-26.
How severe is CVE-2019-3852?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2019-3852 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.