Input validation error in Moodle - CVE-2020-14322
Published: July 20, 2020
Vulnerability identifier: #VU31683
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-2020-14322
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 yui_combo. 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-2020-14322
Install updates from vendor's website.
Moodle - addressed in versions 3.5.13, 3.7.7, 3.8.4, 3.9.1