Auth bypass in Moodle

CVE-2019-10154

A flaw was found in Moodle before versions 3.7, 3.6.4. A web service fetching messages was not restricted to the current user's conversations.

EPSS: 0.002 (46.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Moodle — versions 3.7, 3.6.4

Weakness classification (CWE)

CWE-285 — Improper Authorization

Public proof-of-concept exploits

jev770/badmoodle-scan

References

bugzilla.redhat.com/show_bug.cgi (x_refsource_CONFIRM)
moodle.org/mod/forum/discuss.php (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2019-10154?: CVE-2019-10154 is a medium-severity vulnerability in Moodle, classified under Improper Authorization. CVSS score: 6.5/10. Published 2019-06-26.
How severe is CVE-2019-10154?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2019-10154 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.