CVE-2020-13297 : Vulnerability Insights and Analysis

A vulnerability in GitLab versions before 13.1.10, 13.2.8, and 13.3.4 allowed malicious users to bypass 2-factor authentication for groups.

Understanding CVE-2020-13297

This CVE involves an improper authentication issue in GitLab that could be exploited by attackers.

What is CVE-2020-13297?

The vulnerability in GitLab versions prior to 13.1.10, 13.2.8, and 13.3.4 enabled a specific query to the API endpoint to bypass 2-factor authentication for groups.

The Impact of CVE-2020-13297

CVSS Base Score: 3.8 (Low)
Attack Vector: Network
Privileges Required: High
Confidentiality, Integrity, and Availability Impact: Low

Technical Details of CVE-2020-13297

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allowed a malicious user to bypass 2-factor authentication for groups by sending a specific query to the API endpoint.

Affected Systems and Versions

Affected Product: GitLab
Affected Versions:
=1.0, <13.1.10

=13.2, <13.2.8

=13.3, <13.3.4

Exploitation Mechanism

Attackers could exploit this vulnerability by sending a specific query to the API endpoint, bypassing the 2-factor authentication for groups.

Mitigation and Prevention

Protect your systems from CVE-2020-13297 with these mitigation strategies.

Immediate Steps to Take

Upgrade GitLab to versions 13.1.10, 13.2.8, or 13.3.4 or newer.
Disable 2-factor authentication for groups until the system is updated.

Long-Term Security Practices

Regularly update GitLab to the latest versions to patch security vulnerabilities.
Implement multi-layered security measures to prevent unauthorized access.

Patching and Updates

Apply security patches promptly to ensure protection against known vulnerabilities.