Uncontrolled Recursion in Moodle - CVE-2021-36395
Published: July 19, 2021
Vulnerability identifier: #VU54979
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-36395
CWE-ID: CWE-674
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 improper handling of file repository URLs. A remote attacker can create a specially crafted file repository URL and perform a denial of service attack.
Affected software
Moodle
How to mitigate CVE-2021-36395
Install updates from vendor's website.
Moodle - addressed in versions 3.9.8, 3.10.5, 3.11.1