JiRo's Banner System Experience and Professional 1.0 and earlier allows remote attackers to bypass access restrictions and gain privileges via a direct request to certain scripts in the files directory, as demonstrated by using addadmin.asp to create a new administrator account.
https://exchange.xforce.ibmcloud.com/vulnerabilities/25169
http://www.vupen.com/english/advisories/2006/0911
http://www.securityfocus.com/bid/17060
http://www.securityfocus.com/archive/1/427326/100/0/threaded
http://secunia.com/advisories/19184
http://archives.neohapsis.com/archives/fulldisclosure/2006-03/0211.html