Unknown vulnerability in ftpd on HP-UX B.11.00, B.11.04, B.11.11, B.11.22, and B.11.23 allows remote authenticated users to gain "unauthorized access to files."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5464
https://exchange.xforce.ibmcloud.com/vulnerabilities/19467