SysAid Help Desk before 15.2 does not properly restrict access to certain functionality, which allows remote attackers to (1) create administrator accounts via a crafted request to /createnewaccount or (2) write to arbitrary files via the fileName parameter to /userentry.
https://www.sysaid.com/blog/entry/sysaid-15-2-your-voice-your-service-desk
http://www.securityfocus.com/bid/75038
http://www.securityfocus.com/archive/1/535679/100/0/threaded