#VU101809 Improper privilege management in Moodle - CVE-2024-55646

Vulnerability identifier: #VU101809

Vulnerability risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-55646

CWE-ID: CWE-269

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Moodle
Web applications / Other software

Vendor: moodle.org

Description

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exists due to improper privilege management. In a database activity with separate groups mode enabled, users who were not in a group (and did not have permission to access all groups) could see entries from members of all groups in the activity, rather than just entries of users also not in any groups.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Moodle: 4.0.0 - 4.0.12, 4.1.0 - 4.1.14, 4.2.0 - 4.2.11, 4.3.0 - 4.3.8, 4.4.0 - 4.4.4, 4.5.0

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External links
https://moodle.org/mod/forum/discuss.php?d=464557

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.