Improper Authentication in moodle

published 2022-04-29 4 y ago modified 2026-09-08 2 mo ago also BIT-moodle-2022-0985 , EUVD-2022-1651 , GHSA-6q9g-3vfq-q2qj

cvss: 4.3; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 46%
public exploits: 0; none known

Insufficient capability checks could allow users with the moodle/site:uploadusers capability to delete users, without having the necessary moodle/user:delete capability.

Patch / fix

fixed in 3 links 2

packagist moodle/moodle 3.9.13, 3.10.10, 3.11.6
bitnami moodle 3.9.13, 3.10.10, 3.11.6
moodle moodle 3.9.13, 3.10.10, 3.11.6

github.com/moodle/moodle@addd4f8 commit
bugzilla.redhat.com/show_bug.cgi?id=2064117 advisory

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2022-0985 updated 2026-03-27 cvss 5.3

moodle: Users with moodle/site:uploadusers but without moodle/user:delete could delete users

Red Hat All currently supported Red Hat products
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.56% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
GitHub	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
NVD	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
NVD	2.0	4.0	AV:N/AC:L/Au:S/C:N/I:P/A:N
OSV	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
packagist	moodle/moodle	>=3.11.0, <3.11.6 >=3.10.0, <3.10.10 >=3.9, <3.9.13	3.11.6 3.10.10 3.9.13
bitnami	moodle	<3.9.13 >=3.10.0, <3.10.10 >=3.11.0, <3.11.6	3.9.13 3.10.10 3.11.6

Affected products

n/a moodle

Classification

Weakness

CWE-287 Improper Authentication
CWE-863 Incorrect Authorization

References

bugzilla.redhat.com /show_bug.cgi?id=2064117
web, issue-tracking, patch, third-party-advisory, advisory
github.com /moodle/moodle/commit/addd4f894d8173ec8ff0ae2212d51a1977e7bcad
web
nvd.nist.gov /vuln/detail/CVE-2022-0985
advisory, web
github.com /moodle/moodle
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary