CVE-2021-22175 : What You Need to Know

A server-side request forgery vulnerability in GitLab allows an unauthenticated attacker to exploit internal network requests for webhooks.

Understanding CVE-2021-22175

This CVE details a security vulnerability found in GitLab affecting versions ranging from 10.5 to 13.8.4.

What is CVE-2021-22175?

The vulnerability in GitLab enables an unauthenticated attacker to manipulate a server-side request forgery, even in instances where registration is disabled.

The Impact of CVE-2021-22175

With a CVSS score of 6.8, this vulnerability has a medium severity level, posing a high risk to the confidentiality of affected systems.

Technical Details of CVE-2021-22175

This section outlines the specific technical aspects of the CVE.

Vulnerability Description

The vulnerability is characterized by a server-side request forgery in GitLab, offering unauthorized network access for malicious activities.

Affected Systems and Versions

Versions of GitLab from 10.5 to 13.8.4 are affected by this security flaw, making a significant range of systems vulnerable.

Exploitation Mechanism

Through targeted requests to the internal network, cybercriminals can exploit this SSRF vulnerability for unauthorized access.

Mitigation and Prevention

Protecting your system from CVE-2021-22175 requires immediate action and long-term security practices.

Immediate Steps to Take

Administrators are advised to update GitLab to versions beyond 13.8.4 to mitigate the risk of exploitation.

Long-Term Security Practices

Incorporate network monitoring and access control policies to prevent unauthorized access through SSRF vulnerabilities.

Patching and Updates

Regularly check for security updates and apply patches promptly to ensure your system's security.