CVE-2020-2321 Explained : Impact and Mitigation
Learn about CVE-2020-2321, a CSRF vulnerability in Jenkins Shelve Project Plugin 3.0 and earlier allowing unauthorized project manipulation. Find mitigation steps and long-term security practices.
A cross-site request forgery (CSRF) vulnerability in Jenkins Shelve Project Plugin 3.0 and earlier allows attackers to shelve, unshelve, or delete a project.
Understanding CVE-2020-2321
This CVE involves a security vulnerability in the Jenkins Shelve Project Plugin that enables CSRF attacks.
What is CVE-2020-2321?
CVE-2020-2321 is a CSRF vulnerability in Jenkins Shelve Project Plugin versions 3.0 and earlier, permitting malicious actors to manipulate project shelving operations.
The Impact of CVE-2020-2321
The vulnerability allows attackers to perform unauthorized actions such as shelving, unshelving, or deleting projects within Jenkins instances, potentially leading to data loss or unauthorized access.
Technical Details of CVE-2020-2321
This section provides detailed technical insights into the vulnerability.
Vulnerability Description
The CSRF flaw in Jenkins Shelve Project Plugin versions 3.0 and below enables attackers to carry out unauthorized project operations.
Affected Systems and Versions
- Product: Jenkins Shelve Project Plugin
- Vendor: Jenkins project
- Versions Affected: <= 3.0
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 project manipulation.
Mitigation and Prevention
Protecting systems from CVE-2020-2321 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update Jenkins Shelve Project Plugin to a patched version above 3.0 to mitigate the CSRF vulnerability.
- Monitor Jenkins instances for any suspicious project shelving activities.
Long-Term Security Practices
- Implement CSRF protection mechanisms in web applications to prevent such attacks.
- Educate users on recognizing and avoiding phishing attempts to reduce the risk of CSRF exploitation.
Patching and Updates
Regularly apply security patches and updates to Jenkins and its plugins to address known vulnerabilities and enhance overall system security.