CVE-2021-21646: High severity jenkins templating engine plugin vulnerability
Jenkins Templating Engine Plugin 2.1 and earlier does not protect its pipeline configurations using Script Security Plugin, allowing attackers with Job/Configure permission to execute arbitrary code in the context of the Jenkins controller JVM.
Other sources
Jenkins Templating Engine Plugin 2.1 and earlier does not protect its pipeline configurations using Script Security Plugin.
This vulnerability allows attackers with Job/Configure permission to execute arbitrary code in the context of the Jenkins controller JVM.
Jenkins Templating Engine Plugin 2.2 integrates with Script Security Plugin to protect its pipeline configurations.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2021-21646?
CVE-2021-21646 is classified as a critical vulnerability due to its potential for arbitrary code execution.
How do I fix CVE-2021-21646?
To mitigate CVE-2021-21646, upgrade the Jenkins Templating Engine Plugin to version 2.2 or later.
Who is affected by CVE-2021-21646?
CVE-2021-21646 affects users of Jenkins Templating Engine Plugin version 2.1 and earlier who have Job/Configure permissions.
What can attackers do with CVE-2021-21646?
Attackers with Job/Configure permissions can execute arbitrary code on the Jenkins controller JVM due to CVE-2021-21646.
When was CVE-2021-21646 published?
CVE-2021-21646 was published on April 21, 2021.