CVE-2021-22211 Explained : Impact and Mitigation
Learn about CVE-2021-22211 affecting GitLab CE/EE versions 13.7 and above. Explore its impact, technical details, affected systems, exploitation, and mitigation steps.
An issue has been discovered in GitLab CE/EE affecting versions starting from 13.7. The vulnerability in the GitLab Dependency Proxy allows impersonation of a user leading to incorrect access handling.
Understanding CVE-2021-22211
This section will delve into the details of CVE-2021-22211, its impact, technical description, affected systems, exploitation mechanism, mitigation steps, and more.
What is CVE-2021-22211?
CVE-2021-22211 is a vulnerability found in GitLab CE/EE versions starting from 13.7, where the Dependency Proxy can impersonate a user under certain circumstances, potentially causing access handling issues.
The Impact of CVE-2021-22211
The vulnerability in GitLab's Dependency Proxy poses a low-severity risk with a CVSS base score of 3.1. It can result in impersonation of users, leading to possible incorrect access controls.
Technical Details of CVE-2021-22211
Let's explore the technical aspects of CVE-2021-22211, including the vulnerability description, affected systems and versions, and exploitation mechanism.
Vulnerability Description
The vulnerability allows GitLab's Dependency Proxy to impersonate a user, potentially causing incorrect access handling.
Affected Systems and Versions
GitLab versions ranging from 13.7 to 13.11.2 are affected by this vulnerability.
Exploitation Mechanism
The vulnerability can be exploited under certain circumstances where the GitLab Dependency Proxy impersonates a user, potentially leading to unauthorized access.
Mitigation and Prevention
Discover the steps to mitigate the risks associated with CVE-2021-22211 and prevent potential exploitation.
Immediate Steps to Take
Users are advised to update GitLab to a non-impacted version and monitor for any unusual activities.
Long-Term Security Practices
Implement strict access controls, conduct regular security audits, and stay informed about GitLab's security advisories.
Patching and Updates
Stay updated with security patches released by GitLab to address vulnerabilities and enhance the security posture of the system.