Permissions, Privileges, and Access Controls in Moodle - CVE-2021-43560
Published: November 16, 2021
Vulnerability identifier: #VU58190
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-43560
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to escalate privileges on the system.
The vulnerability exists due to insecure direct object reference (IDOR) issue. A remote attacker can fetch other users' calendar action events.
Affected software
Moodle
How to mitigate CVE-2021-43560
Install updates from vendor's website.
Moodle - addressed in versions 3.9.11, 3.10.8, 3.11.4