CVE-2014-3665: Jenkins improperly ensures trust separation in org.jenkins-ci.main:jenkins-core
Summary
CVE-2014-3665: Jenkins improperly ensures trust separation. Affects org.jenkins-ci.main:jenkins-core versions < 1.587. Fixed in 1.587. How to fix ↓
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Background
Jenkins is an open-source automation server that enables developers to build, test, and deploy their software projects. It provides a wide range of features and plugins to support continuous integration and delivery. The vulnerable package, org.jenkins-ci.main:jenkins-core, is a core component of Jenkins responsible for its basic functionality.
Vulnerability Detail
The vulnerability (CVE-2014-3665) in Jenkins versions prior to 1.587 and LTS before 1.580.1 arises from the improper trust separation between a master and its slaves. This flaw allows remote attackers with access to a slave to execute arbitrary code on the master. By exploiting this vulnerability, an attacker can gain unauthorized control over the Jenkins master, potentially leading to further compromise of the entire Jenkins environment.
How To Fix
Latest published version: 2.587 as of 22 Oct 2026
Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
1.587
This is the first release that contains the fix.
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Workaround
There is no known workaround for this vulnerability. Upgrading to the fixed version is the only reliable solution.
Conclusion
The vulnerability in org.jenkins-ci.main:jenkins-core (CVE-2014-3665) allows remote code execution on the Jenkins master, posing a significant security risk. It is crucial to upgrade Jenkins to version 1.587 or later to mitigate this vulnerability. Regular updates should be performed to ensure the ongoing security of the Jenkins installation. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
Jenkins is an open-source automation server used for continuous integration and delivery of software projects.
org.jenkins-ci.main:jenkins-core is a core component of Jenkins that provides its basic functionality.
This vulnerability allows remote attackers with access to a slave to execute arbitrary code on the Jenkins master, potentially compromising the entire Jenkins environment.
To fix this vulnerability, upgrade Jenkins to version 1.587 or later.
No, upgrading to the fixed version is the only reliable solution.
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