CVE-2020-13341 Explained : Impact and Mitigation

An issue has been discovered in GitLab that affects versions prior to 13.2.10, 13.3.7, and 13.4.2, allowing attackers with developer roles to perform unauthorized deletions.

Understanding CVE-2020-13341

This CVE involves an improper authorization vulnerability in GitLab.

What is CVE-2020-13341?

CVE-2020-13341 is a security flaw in GitLab versions before 13.2.10, 13.3.7, and 13.4.2, enabling developers to execute unauthorized deletions due to insufficient permission checks.

The Impact of CVE-2020-13341

CVSS Base Score: 4.9 (Medium Severity)
Attack Vector: Network
Integrity Impact: High
Privileges Required: High
Attackers with developer roles can exploit this vulnerability to delete sensitive data.

Technical Details of CVE-2020-13341

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability arises from inadequate permission validation in GitLab, allowing developers to delete data they should not have access to.

Affected Systems and Versions

Affected Product: GitLab
Affected Versions:
=13.1, <13.2.10

=13.3, <13.3.7

=13.4, <13.4.2

Exploitation Mechanism

Attackers with developer privileges can exploit this vulnerability remotely over the network without user interaction.

Mitigation and Prevention

Protect your systems from CVE-2020-13341 by following these security measures.

Immediate Steps to Take

Update GitLab to versions 13.2.10, 13.3.7, or 13.4.2 to mitigate the vulnerability.
Review and adjust user permissions to prevent unauthorized deletions.

Long-Term Security Practices

Regularly review and update access controls and permissions within GitLab.
Conduct security training for developers to raise awareness of proper data handling.

Patching and Updates

Stay informed about security patches and updates released by GitLab to address vulnerabilities promptly.