CVE-2020-2295 : What You Need to Know

A cross-site request forgery (CSRF) vulnerability in Jenkins Maven Cascade Release Plugin 1.3.2 and earlier allows attackers to start cascade builds and layout builds, and reconfigure the plugin.

Understanding CVE-2020-2295

This CVE involves a CSRF vulnerability in the Jenkins Maven Cascade Release Plugin, potentially enabling unauthorized actions by attackers.

What is CVE-2020-2295?

CVE-2020-2295 is a security vulnerability in the Jenkins Maven Cascade Release Plugin that permits malicious actors to initiate cascade builds, layout builds, and modify the plugin without proper authorization.

The Impact of CVE-2020-2295

The vulnerability could lead to unauthorized changes in the plugin's configuration, potentially compromising the integrity and security of Jenkins instances where the affected plugin is installed.

Technical Details of CVE-2020-2295

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The CSRF flaw in Jenkins Maven Cascade Release Plugin versions 1.3.2 and earlier allows attackers to perform various unauthorized actions, including initiating cascade builds and reconfiguring the plugin.

Affected Systems and Versions

Product: Jenkins Maven Cascade Release Plugin
Vendor: Jenkins project
Vulnerable Versions:
Version 1.3.2 and earlier
Version next of 1.3.2 (specific version unspecified)

Exploitation Mechanism

Attackers can exploit this vulnerability by tricking authenticated users into visiting a malicious website or clicking on a crafted link, leading to unauthorized actions within the Jenkins environment.

Mitigation and Prevention

Protecting systems from CVE-2020-2295 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update the Jenkins Maven Cascade Release Plugin to a non-vulnerable version.
Monitor Jenkins instances for any suspicious activities.
Educate users on recognizing and avoiding phishing attempts.

Long-Term Security Practices

Implement strict CSRF protection mechanisms in Jenkins configurations.
Regularly audit and review Jenkins plugins for security vulnerabilities.
Stay informed about security advisories and updates from Jenkins.

Patching and Updates

Apply patches or updates provided by Jenkins to address the CSRF vulnerability in the Maven Cascade Release Plugin.