SQL injection in Moodle - CVE-2021-36393
Published: July 19, 2021 / Updated: October 25, 2024
Vulnerability identifier: #VU54977
CSH Severity: High
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-36393
CWE-ID: CWE-89
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary SQL queries in database.
The vulnerability exists due to insufficient sanitization of user-supplied data in the library fetching a user's recent courses. A remote user can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.
Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.
Affected software
Moodle
How to mitigate CVE-2021-36393
Install updates from vendor's website.
Moodle - addressed in versions 3.9.8, 3.10.5, 3.11.1