The check_login function in login.php in Virtual Hosting Control System (VHCS) 2.4.7.1 and earlier does not exit when authentication fails, which allows remote attackers to gain unauthorized access.
https://exchange.xforce.ibmcloud.com/vulnerabilities/24666
http://www.vupen.com/english/advisories/2006/0534
http://www.securityfocus.com/bid/16600
http://www.securityfocus.com/archive/1/424816/100/0/threaded