Unspecified vulnerability in the FTP server for HP-UX B.11.11, B.11.23, and B.11.31 allows remote authenticated users to cause a denial of service (FTP server outage) via unknown attack vectors.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5289
https://exchange.xforce.ibmcloud.com/vulnerabilities/42357
http://www.vupen.com/english/advisories/2008/1475/references
http://www.securitytracker.com/id?1020005
http://www.securityfocus.com/bid/29160
http://secunia.com/advisories/30195
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01446326