#VU51480 Improper access control in Moodle - CVE-2021-20283

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Main Vulnerability Database Vulnerabilities #VU51480

#VU51480 Improper access control in Moodle - CVE-2021-20283

Published: March 15, 2021


Vulnerability identifier: #VU51480
Vulnerability risk: Low
CVSSv4.0: 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-2021-20283
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Moodle
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. The web service responsible for fetching other users' enrolled courses did not validate that the requesting user had permission to view that information in each course. A remote user can gain unauthorized access to the application.


Remediation

Install updates from vendor's website.

External links