#VU82191 Improper access control in Moodle - CVE-2023-5543

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Main Vulnerability Database Vulnerabilities #VU82191

#VU82191 Improper access control in Moodle - CVE-2023-5543

Published: October 18, 2023


Vulnerability identifier: #VU82191
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-5543
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 attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to duplicating a BigBlueButton activity assigns the same meeting ID. A remote attacker can bypass implemented security restrictions and gain access to the original meeting.


Remediation

Install updates from vendor's website.

External links