Jenkins P4 Plugin 1.11.4 and earlier does not perform permission checks in multiple HTTP endpoints, allowing attackers with Overall/Read permission to connect to an attacker-specified Perforce server using attacker-specified username and password.
https://github.com/advisories/GHSA-h6qv-f5gf-8gcf
https://www.jenkins.io/security/advisory/2021-05-11/#SECURITY-2327