Information disclosure in Moodle - CVE-2021-40695
Published: September 21, 2021
Vulnerability identifier: #VU56757
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-40695
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application. A remote authenticated attacker can view their quiz grade before it had been released, using a quiz web service.
Affected software
Moodle
How to mitigate CVE-2021-40695
Install updates from vendor's website.
Moodle - addressed in versions 3.9.10, 3.10.7, 3.11.3