Description
It was found that there were no permission checks performed in the Distributed Fork plugin before and including 1.5.0 for Jenkins that provides the dist-fork CLI command beyond the basic check for Overall/Read permission, allowing anyone with that permission to run arbitrary shell commands on all connected nodes.
Remediation
References
http://www.securityfocus.com/bid/96980
https://jenkins.io/security/advisory/2017-03-20/