CVE-2021-21617 : Vulnerability Insights and Analysis

A detailed overview of CVE-2021-21617, a cross-site request forgery vulnerability found in Jenkins Configuration Slicing Plugin.

Understanding CVE-2021-21617

This section covers the impact, technical details, and mitigation strategies for CVE-2021-21617.

What is CVE-2021-21617?

CVE-2021-21617 refers to a cross-site request forgery (CSRF) vulnerability identified in Jenkins Configuration Slicing Plugin version 1.51 and earlier. Attackers can exploit this vulnerability to apply different slice configurations.

The Impact of CVE-2021-21617

The vulnerability exposes systems with the affected plugin version to potential CSRF attacks, allowing threat actors to manipulate slice configurations.

Technical Details of CVE-2021-21617

Exploring the vulnerability description, affected systems, and exploitation mechanism.

Vulnerability Description

CVE-2021-21617 involves a CSRF weakness in Jenkins Configuration Slicing Plugin versions up to 1.51, enabling unauthorized application of varied slice configurations.

Affected Systems and Versions

The Jenkins Configuration Slicing Plugin versions equal to or less than 1.51 are vulnerable to this CSRF flaw, highlighting the importance of timely updates and patches.

Exploitation Mechanism

By leveraging CSRF tactics, malicious entities can alter slice configurations within Jenkins instances that have the affected plugin version installed.

Mitigation and Prevention

Recommendations for immediate actions and long-term security practices to address CVE-2021-21617.

Immediate Steps to Take

Administrators are advised to update the Jenkins Configuration Slicing Plugin to versions beyond 1.51 and monitor system activities for any unauthorized changes.

Long-Term Security Practices

Implementing robust access controls, regular security audits, and educating users on CSRF risks are crucial for enhancing overall system security.

Patching and Updates

Staying informed about security advisories, promptly applying patches, and ensuring plugin versions are up to date are essential in mitigating CSRF vulnerabilities.