Information disclosure in Moodle - CVE-2021-20281

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Main Vulnerability Database Vulnerabilities #VU51478

Information disclosure in Moodle - CVE-2021-20281

Published: March 15, 2021


Vulnerability identifier: #VU51478
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-2021-20281
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to gain access to personal information of website users.

The vulnerability exists due to output of website users' full names via the online users block. A remote user can obtain full names of other website users.


Affected software

Moodle
Fedora
moodle

How to mitigate CVE-2021-20281

Install updates from vendor's website.

Moodle - addressed in versions 3.5.17, 3.8.8, 3.9.5, 3.10.2
moodle - addressed in versions 3.8.8-1.fc32, 3.9.5-1.fc33, 3.10.2-1.fc34

External References

Related Security Bulletins