Vulnerability identifier: #VU22902

Vulnerability risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-14879

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Moodle
Web applications / Other software

Vendor: moodle.org

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to Moodle does not properly revoke user privileges, when removing the cohort role. A remote authenticated user, whose privileges were revoked, still has access to associated capabilities.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Moodle: 3.7.0 - 3.7.2, 3.6.0 - 3.6.6, 3.5.0 - 3.5.8

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External links
http://moodle.org/mod/forum/discuss.php?d=393582

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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.