Remote Code Execution Vulnerability in Jenkins Templating Engine Plugin by CloudBees
CVE-2021-21646

8.8HIGH

Key Information:

Vendor
Jenkins
Status
Jenkins Templating Engine Plugin
Vendor
CVE Published:
21 April 2021

Summary

The Jenkins Templating Engine Plugin, versions 2.1 and earlier, lacks essential protections for pipeline configurations due to inadequate integration with the Script Security Plugin. This oversight allows users with Job/Configure permissions to potentially execute arbitrary code within the Jenkins controller JVM, exposing the system to significant security risks.

Affected Version(s)

Jenkins Templating Engine Plugin <= 2.1

References

https://www.jenkins.io/security/advisory/2021-04-21/#SECU...
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http://www.openwall.com/lists/oss-security/2021/04/21/2
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CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.