Microsoft Host Integration Server (HIS) 2000, 2004, and 2006 does not limit RPC access to administrative functions, which allows remote attackers to bypass authentication and execute arbitrary programs via a crafted SNA RPC message using opcode 1 or 6 to call the CreateProcess function, aka "HIS Command Execution Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6075
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-059
http://www.vupen.com/english/advisories/2008/2810
http://www.us-cert.gov/cas/techalerts/TA08-288A.html
http://www.securitytracker.com/id?1021043
http://secunia.com/advisories/32233
http://marc.info/?l=bugtraq&m=122479227205998&w=2
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=745