description: Jenkins Pipeline: Shared Groovy Libraries Plugin 552.vd9cc05b8a2e1 and earlier uses the names of Pipeline libraries to create cache directories without any sanitization, allowing attackers with Item/Configure permission to execute arbitrary code in the context of the Jenkins controller JVM using specially crafted library names if a global Pipeline library configured to use caching already exists.
affected:
{
product: Jenkins Pipeline: Shared Groovy Libraries Plugin
vendor: Jenkins project
versions:
lessThanOrEqual: 552.vd9cc05b8a2e1, status: affected, version: unspecified, versionType: custom
lessThan: unspecified, status: affected, version: 2.21, versionType: custom
status: unaffected, version: 2.21.1
}