Description
Jenkins Selection tasks Plugin 1.0 and earlier executes a user-specified program on the Jenkins controller, allowing attackers with Job/Configure permission to execute an arbitrary system command on the Jenkins controller as the OS user that the Jenkins process is running as.
Remediation
References
http://www.openwall.com/lists/oss-security/2020/09/16/3
https://www.jenkins.io/security/advisory/2020-09-16/#SECURITY-1967