First published: Tue May 25 2021(Updated: )
Jenkins Filesystem Trigger Plugin 0.40 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.
Credit: jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com jenkinsci-cert@googlegroups.com
Affected Software | Affected Version | How to fix |
---|---|---|
Jenkins Filesystem Trigger | <=0.40 | |
maven/org.jenkins-ci.plugins:fstrigger | <=0.40 | 0.41 |
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CVE-2021-21657 has a severity rating of medium, indicating potential impact depending on the context of the deployment.
You can fix CVE-2021-21657 by upgrading to Jenkins Filesystem Trigger Plugin version 0.41 or later.
CVE-2021-21657 allows attackers to perform XML external entity (XXE) attacks, which can lead to disclosure of sensitive information.
Jenkins Filesystem Trigger Plugin versions 0.40 and earlier are affected by CVE-2021-21657.
The primary vulnerability in CVE-2021-21657 is the improper configuration of the XML parser in the Jenkins Filesystem Trigger Plugin.