#VU97233 Improper access control in Moodle - CVE-2024-45690

Vulnerability identifier: #VU97233

Vulnerability risk: Medium

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

CVE-ID: CVE-2024-45690

CWE-ID: CWE-284

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 unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions when deleting OAuth2 linked accounts. A remote user can bypass implemented security restrictions and delete OAuth2 linked accounts of other users.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Moodle: 4.0.0 - 4.0.12, 4.1.0 - 4.1.12, 4.2.0 - 4.2.9, 4.3.0 - 4.3.6, 4.4.0 - 4.4.2

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External links
https://moodle.org/mod/forum/discuss.php?d=461895

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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.