The installation process for NFS/ONCplus B.11.31_08 and earlier on HP HP-UX B.11.31 changes the NFS_SERVER setting in the nfsconf file, which might allow remote attackers to obtain filesystem access via NFS requests.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12025
https://exchange.xforce.ibmcloud.com/vulnerabilities/57216
http://www.vupen.com/english/advisories/2010/0731
http://www.securityfocus.com/bid/38982
http://securitytracker.com/id?1023758