CVE-2021-22167 : Vulnerability Insights and Analysis

An overview of CVE-2021-22167 affecting GitLab with details on the vulnerability, impact, and mitigation steps.

Understanding CVE-2021-22167

This section provides insights into the vulnerability identified in GitLab.

What is CVE-2021-22167?

CVE-2021-22167 is a security issue in GitLab versions starting from 12.1, allowing temporary unauthorized read access to private repositories via incorrect headers.

The Impact of CVE-2021-22167

The vulnerability has a CVSS base severity of MEDIUM (5.3), with a confidentiality impact rated as HIGH due to unauthorized access to sensitive data.

Technical Details of CVE-2021-22167

Explore the specifics of the CVE-2021-22167 vulnerability.

Vulnerability Description

Incorrect headers on specific project pages enable attackers to gain temporary unauthorized read access to private repositories in affected GitLab versions.

Affected Systems and Versions

GitLab versions between 12.1 to 13.7.2 are impacted by CVE-2021-22167, necessitating immediate attention from users.

Exploitation Mechanism

The exploitation of this vulnerability requires network access and user interaction, increasing the potential risk to affected systems.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2021-22167 and prevent exploitation.

Immediate Steps to Take

Ensure that GitLab instances are updated to versions beyond 13.7.2 to safeguard against this vulnerability and restrict unauthorized access.

Long-Term Security Practices

Implement robust access control policies and periodic security assessments to detect and address vulnerabilities promptly.

Patching and Updates

Regularly check for security patches and updates from GitLab to stay protected against emerging threats.