The RdsLogsEntry servlet in SysAid Help Desk before 15.2 does not properly check file extensions, which allows remote attackers to upload and execute arbitrary files via a NULL byte after the extension, as demonstrated by a .war%00 file.
https://www.sysaid.com/blog/entry/sysaid-15-2-your-voice-your-service-desk
https://www.exploit-db.com/exploits/37667/
http://www.securityfocus.com/bid/75038
http://www.securityfocus.com/archive/1/535679/100/0/threaded