add_user.php in Virtual Hosting Control System (VHCS) 2.4.7.1 and earlier does not check user privileges when adding a new administrative user, which allows remote attackers to gain unauthorized access.Referenceshttp://securityreason.com/securityalert/430https://exchange.xforce.ibmcloud.com/vulnerabilities/24667http://secunia.com/advisories/18799http://www.securityfocus.com/archive/1/424816/100/0/threadedhttp://www.rs-labs.com/adv/RS-Labs-Advisory-2006-1.txthttp://www.securityfocus.com/bid/16600http://www.vupen.com/english/advisories/2006/0534