Improper access control in Moodle - CVE-2021-20184
Published: January 25, 2021
Vulnerability identifier: #VU49969
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-20184
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions in grade related web services. A remote user with student access can view grades of other students.
Affected software
Moodle
How to mitigate CVE-2021-20184
Install updates from vendor's website.
Moodle - addressed in versions 3.8.7, 3.9.4, 3.10.1