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Vulnerability record · CVE-2023-5549 · published 9 November 2023

CVE-2023-5549: Moodle improper access control vulnerability

Moodle · Moodle

Insufficient web service capability checks made it possible to move categories a user had permission to manage, to a parent category they did not have the capability to manage.

5.3 CVSS 3.1 Medium EPSS 0.56% · top 55.5% CWE-284 · Improper access controlCWE-269 · Improper privilege management
5.3CVSS 3.1 base score
0.56%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

Insufficient web service capability checks made it possible to move categories a user had permission to manage, to a parent category they did not have the capability to manage.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-66730 Patch
https://bugzilla.redhat.com/show_bug.cgi?id=2243451 Issue TrackingPatchThird Party Advisory
https://moodle.org/mod/forum/discuss.php?d=451590 PatchVendor Advisory
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-66730 Patch
https://bugzilla.redhat.com/show_bug.cgi?id=2243451 Issue TrackingPatchThird Party Advisory
https://moodle.org/mod/forum/discuss.php?d=451590 PatchVendor Advisory

Track CVE-2023-5549 inside VULONE

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-5549), CISA KEV, FIRST EPSS (scores of 2026-09-30). This page is refreshed as NVD updates the record.