jenkins before versions 2.44, 2.32.2 is vulnerable to an improper blacklisting of the Pipeline metadata files in the agent-to-master security subsystem. This could allow metadata files to be written to by malicious agents (SECURITY-358).
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2602
https://github.com/jenkinsci/jenkins/commit/414ff7e30aba66bed18c4ee8a8660fb36fc8c655