CVE-2021-40692 : Vulnerability Insights and Analysis

This CVE record involves insufficient capability checks in Moodle, potentially allowing teachers to download users outside of their courses.

Understanding CVE-2021-40692

This section provides insights into the impact, technical details, and mitigation strategies related to CVE-2021-40692.

What is CVE-2021-40692?

CVE-2021-40692 highlights the issue of inadequate capability checks, enabling teachers in Moodle to download users not assigned to their courses.

The Impact of CVE-2021-40692

The vulnerability leads to information disclosure, exposing user data to unauthorized personnel.

Technical Details of CVE-2021-40692

Explore a detailed breakdown of the vulnerability's specifics and potential risks.

Vulnerability Description

Insufficient capability checks in Moodle allow teachers to download users beyond their designated courses.

Affected Systems and Versions

Product: Moodle
Versions Affected: 3.11 to 3.11.2, 3.10 to 3.10.6, 3.9 to 3.9.9, and earlier unsupported versions

Exploitation Mechanism

The vulnerability enables teachers to access and download user data from courses they are not supposed to.

Mitigation and Prevention

Discover immediate and long-term measures to enhance security against CVE-2021-40692.

Immediate Steps to Take

Monitor user downloads for unusual activity
Restrict teacher permissions to mitigate data exposures

Long-Term Security Practices

Regular security audits and checks for capability verification
Educate staff on data privacy and information security best practices

Patching and Updates

Apply the latest patches and updates from Moodle to address the capability check vulnerability.