CVE-2020-1692 : Vulnerability Insights and Analysis

Moodle before version 3.7.2 is vulnerable to information exposure of service tokens for users enrolled in the same course.

Understanding CVE-2020-1692

This CVE relates to Moodle, affecting versions prior to 3.7.2, leading to the exposure of service tokens for users within the same course.

What is CVE-2020-1692?

CVE-2020-1692 is a security vulnerability in Moodle that allows users enrolled in the same course to access service tokens, potentially compromising confidentiality and integrity.

The Impact of CVE-2020-1692

The vulnerability's impact is rated as high severity (8.1 CVSSv3.1), with significant confidentiality and integrity implications for affected systems.

Technical Details of CVE-2020-1692

CVE-2020-1692 involves information exposure in Moodle before version 3.7.2, potentially allowing unauthorized access to service tokens.

Vulnerability Description

The vulnerability allows users within the same course to obtain service tokens, risking the exposure of sensitive data and compromising system security.

Affected Systems and Versions

Affected Product: Moodle
Vendor: The Moodle Project
Vulnerable Versions: Before 3.7.2

Exploitation Mechanism

The vulnerability can be exploited by users enrolled in the same course, potentially leading to unauthorized access to service tokens and sensitive information.

Mitigation and Prevention

To mitigate the risks associated with CVE-2020-1692, immediate steps and long-term security practices are advised.

Immediate Steps to Take

Update Moodle to version 3.7.2 or above to patch the vulnerability.
Monitor and revoke any unauthorized access to service tokens.

Long-Term Security Practices

Implement strong access controls and user permissions within Moodle.
Regularly review and audit user privileges to prevent unauthorized access.

Patching and Updates

Apply official patches and updates released by The Moodle Project to address the vulnerability effectively.