Jenkins LTS 2.303.2 and earlier does not check agent-to-controller access to create parent directories in FilePath#mkdirs.
{
"cpes": [
"cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*",
"cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*"
],
"severity": "Critical"
}