#VU54984 Externally Controlled Reference to a Resource in Another Sphere in Moodle - CVE-2021-36400
Published: July 19, 2021
Vulnerability identifier: #VU54984
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-36400
CWE-ID: CWE-610
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Moodle
Moodle
Software vendor:
moodle.org
moodle.org
Description
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to incorrect permissions checks when deleting calendar URLs. A remote user can delete calendar URLs that belong to other application users.
Remediation
Install updates from vendor's website.