CVE-2020-25700 : What You Need to Know

A vulnerability in Moodle allowed students to add entries within groups they did not belong to, affecting multiple versions of the platform.

Understanding CVE-2020-25700

This CVE identifies a security issue in Moodle that could be exploited by students to manipulate group entries.

What is CVE-2020-25700?

The vulnerability in Moodle's database module web services enabled unauthorized students to insert entries in groups they were not part of, impacting various versions of the platform.

The Impact of CVE-2020-25700

The security flaw could lead to unauthorized data manipulation within Moodle, potentially compromising the integrity and confidentiality of group information.

Technical Details of CVE-2020-25700

This section delves into the specific technical aspects of the CVE.

Vulnerability Description

The vulnerability allowed students to add entries in groups they were not members of, affecting versions 3.5 to 3.9.2 of Moodle.

Affected Systems and Versions

Affected Versions: 3.5 to 3.9.2
Fixed Versions: 3.8.6, 3.7.9, 3.5.15, 3.10, and later supported versions

Exploitation Mechanism

Unauthorized students could exploit the vulnerability to insert entries in groups they were not part of, potentially compromising data integrity.

Mitigation and Prevention

Protecting systems from CVE-2020-25700 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Moodle to the fixed versions: 3.8.6, 3.7.9, 3.5.15, 3.10, or later supported releases
Monitor group entries for any unauthorized additions

Long-Term Security Practices

Regularly review and update Moodle to the latest secure versions
Educate users on data security best practices within Moodle

Patching and Updates

Apply patches and updates provided by Moodle to address security vulnerabilities