CVE-2020-2191 Explained : Impact and Mitigation
Learn about CVE-2020-2191 affecting Jenkins Self-Organizing Swarm Plug-in Modules Plugin versions <= 3.20. Find out the impact, technical details, and mitigation steps.
Jenkins Self-Organizing Swarm Plug-in Modules Plugin 3.20 and earlier has a vulnerability that allows unauthorized access to API endpoints for adding and removing agent labels.
Understanding CVE-2020-2191
This CVE affects the Jenkins Self-Organizing Swarm Plug-in Modules Plugin, potentially exposing systems to unauthorized actions.
What is CVE-2020-2191?
This CVE refers to a security flaw in Jenkins Self-Organizing Swarm Plug-in Modules Plugin versions 3.20 and earlier, where permissions are not properly checked on certain API endpoints.
The Impact of CVE-2020-2191
The vulnerability could be exploited by attackers to manipulate agent labels without proper authorization, leading to potential security breaches and unauthorized access.
Technical Details of CVE-2020-2191
The technical aspects of the vulnerability are as follows:
Vulnerability Description
The Jenkins Self-Organizing Swarm Plug-in Modules Plugin 3.20 and earlier lack proper permission checks on API endpoints, allowing unauthorized manipulation of agent labels.
Affected Systems and Versions
- Product: Jenkins Self-Organizing Swarm Plug-in Modules Plugin
- Vendor: Jenkins project
- Versions Affected: <= 3.20 (unspecified/custom version)
Exploitation Mechanism
Attackers can exploit this vulnerability by accessing API endpoints that are meant for adding and removing agent labels without the necessary permissions.
Mitigation and Prevention
To address CVE-2020-2191, consider the following mitigation strategies:
Immediate Steps to Take
- Upgrade the Jenkins Self-Organizing Swarm Plug-in Modules Plugin to a patched version.
- Restrict access to API endpoints to authorized personnel only.
Long-Term Security Practices
- Regularly review and update permissions and access controls on Jenkins plugins.
- Conduct security audits to identify and address similar vulnerabilities proactively.
Patching and Updates
Ensure timely installation of security patches and updates for Jenkins plugins to mitigate known vulnerabilities.