Description
A sandbox bypass vulnerability in Jenkins Script Security Plugin 1.74 and earlier allows attackers with permission to define sandboxed scripts to provide crafted return values or script binding content that can result in arbitrary code execution on the Jenkins controller JVM.
Remediation
References
http://www.openwall.com/lists/oss-security/2020/09/23/1
https://www.jenkins.io/security/advisory/2020-09-23/#SECURITY-2020