Jenkins 2.318 and earlier, LTS 2.303.2 and earlier allows any agent to read and write the contents of any build directory stored in Jenkins with very few restrictions.
{ "cpes": [ "cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*", "cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*" ], "severity": "Critical" }