Vulnerability identifier: #VU48447

Vulnerability risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-25701

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 user to escalate privileges within the application.

The vulnerability exists in the tool_uploadcourse function. If the upload course tool was used to delete an enrolment method which did not exist or was not already enabled, the tool would erroneously enable that enrolment method. This could lead to unintended users gaining access to the course.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Moodle: 3.5.0 - 3.5.14, 3.9.0 - 3.9.2, 3.8.0 - 3.8.5, 3.7.0 - 3.7.8, 3.6.0 - 3.6.10, 3.4.0 - 3.4.9, 3.3 - 3.3.9, 3.2.0 - 3.2.9, 3.1.0 - 3.1.18, 3.0 - 3.0.10

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External links
http://moodle.org/mod/forum/discuss.php?d=413939

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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.