Moodle: idor when accessing list of course badges

published 2024-11-20 23 mo ago modified 2026-09-08 2 mo ago also BIT-moodle-2024-48899 , EUVD-2024-3379 , GHSA-r4xr-m393-778m

cvss: 4.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 23%
public exploits: 0; none known

A vulnerability was found in Moodle. Additional checks are required to ensure users can only fetch the list of course badges for courses that they are intended to have access to.

Patch / fix

fixed in 3 links 1

packagist moodle/moodle 4.4.3
bitnami moodle 4.4.4
moodle moodle 4.4.4

github.com/moodle/moodle@07ad4b8 commit

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-2024-48899 updated 2025-11-21 cvss 4.3

moodle: IDOR when accessing list of course badges

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

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 23 mo ago (2024-11-20)

Exploit prediction

0.31% chance of exploitation in the next 30 days, higher than 23% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
GitHub	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
OSV	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem	package	affected	fixed in
packagist	moodle/moodle	>=4.4.0-beta, <4.4.3	4.4.3
bitnami	moodle	>=4.4.0, <4.4.4	4.4.4

Classification

Weakness

CWE-284 Improper Access Control
CWE-639 Authorization Bypass Through User-Controlled Key

References

github.com /moodle/moodle/commit/07ad4b8ebc715056056e01f2175820bfce6b290f
web
bugzilla.redhat.com /show_bug.cgi?id=2318819
issue-tracking, web, report
nvd.nist.gov /vuln/detail/CVE-2024-48899
advisory, web
github.com /moodle/moodle
package
moodle.org /mod/forum/discuss.php?d=462878#p1858337
web

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