#VU31682 Permissions, Privileges, and Access Controls

Published: 2020-07-28 | Updated: 2021-11-25

Vulnerability identifier: #VU31682

Vulnerability risk: High

CVSSv3.1: 8.2 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C]

CVE-ID: CVE-2020-14321


Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Web applications / Other software

Vendor: moodle.org


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

The vulnerability exists due to application does not properly impose security restrictions within ourse enrolments. A remote authenticated attacker with teacher permission can escalate privileges from teacher role into manager role. 

Install updates from vendor's website.

Vulnerable software versions

Moodle: 3.5.0 - 3.9.0


External links

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. However, a fully functional exploit for this vulnerability is available.

Latest bulletins with this vulnerability