CVE-2022-20621 Explained : Impact and Mitigation

Jenkins Metrics Plugin version 4.0.2.8 and earlier have been identified with a security vulnerability. The plugin stores an access key unencrypted in its global configuration file, making it visible to users with access to the Jenkins controller file system.

Understanding CVE-2022-20621

This CVE record highlights a security issue in the Jenkins Metrics Plugin.

What is CVE-2022-20621?

The vulnerability in Jenkins Metrics Plugin version 4.0.2.8 and earlier allows unauthorized users with access to the Jenkins controller file system to view sensitive access keys stored in plaintext.

The Impact of CVE-2022-20621

This vulnerability poses a significant risk as it exposes sensitive access credentials, potentially leading to unauthorized access and security breaches within the affected systems and versions.

Technical Details of CVE-2022-20621

The following technical aspects of the CVE provide insights into the nature of the vulnerability.

Vulnerability Description

Jenkins Metrics Plugin version 4.0.2.8 and earlier insecurely store access keys, allowing unauthorized access to the keys by users with Jenkins controller file system access.

Affected Systems and Versions

The affected product is the Jenkins Metrics Plugin, specifically versions less than or equal to 4.0.2.8, with a custom version unspecified. Version 4.0.2.7.1 is confirmed to be unaffected.

Exploitation Mechanism

Attackers can exploit this vulnerability by gaining access to the Jenkins controller file system and retrieving unencrypted access keys stored in the global configuration file.

Mitigation and Prevention

To address CVE-2022-20621, organizations and users are advised to take immediate action and implement necessary security measures.

Immediate Steps to Take

Users should update the Jenkins Metrics Plugin to a secure version that addresses the vulnerability.
Access controls should be enforced to restrict unauthorized access to the Jenkins controller file system.

Long-Term Security Practices

Regularly review and update security configurations to prevent similar vulnerabilities in the future.
Educate personnel on secure coding practices and the importance of safeguarding sensitive data.

Patching and Updates

Stay informed about security advisories and patches released by Jenkins project for the Metrics Plugin to ensure the latest security fixes are applied in a timely manner.