Input validation error in Moodle - CVE-2021-32476
Published: May 17, 2021
Vulnerability identifier: #VU53301
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-32476
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in the draft files area. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Affected software
Moodle
How to mitigate CVE-2021-32476
Install updates from vendor's website.
Moodle - addressed in versions 3.5.18, 3.8.9, 3.9.7, 3.10.4, 3.11