Learn about CVE-2021-21622 affecting Jenkins Artifact Repository Parameter Plugin. Find out the impact, technical details, affected versions, exploits, and mitigation steps.
Jenkins Artifact Repository Parameter Plugin version 1.0.0 and earlier is vulnerable to a stored cross-site scripting (XSS) attack due to inadequate escaping of parameter names and descriptions. This vulnerability can be exploited by attackers with Job/Configure permission.
Understanding CVE-2021-21622
This section provides an overview of the CVE-2021-21622 vulnerability affecting Jenkins Artifact Repository Parameter Plugin.
What is CVE-2021-21622?
The CVE-2021-21622 vulnerability exists in Jenkins Artifact Repository Parameter Plugin versions 1.0.0 and prior, allowing attackers with Job/Configure permission to execute stored cross-site scripting attacks by exploiting the lack of proper parameter names and descriptions escaping.
The Impact of CVE-2021-21622
The impact of this vulnerability is the risk of unauthorized access and manipulation of Jenkins job configurations, potentially leading to further system compromise.
Technical Details of CVE-2021-21622
This section delves into the technical aspects of the CVE-2021-21622 vulnerability.
Vulnerability Description
Jenkins Artifact Repository Parameter Plugin 1.0.0 and earlier fail to escape parameter names and descriptions properly, enabling stored cross-site scripting (XSS) attacks by privileged attackers.
Affected Systems and Versions
The affected systems include Jenkins Artifact Repository Parameter Plugin versions up to and including 1.0.0.
Exploitation Mechanism
Attackers with Job/Configure permission can exploit this vulnerability to inject malicious scripts into parameter names and descriptions, leading to XSS attacks.
Mitigation and Prevention
To address the CVE-2021-21622 vulnerability, consider the following mitigation strategies.
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
Stay informed about security patches released by Jenkins project for Jenkins Artifact Repository Parameter Plugin and ensure timely application of patches to prevent exploitation of known vulnerabilities.