classes/session/cc_admin_session.php in CubeCart 4.3.4 does not properly restrict administrative access permissions, which allows remote attackers to bypass restrictions and gain administrative access via a HTTP request that contains an empty (1) sessID (ccAdmin cookie), (2) X_CLUSTER_CLIENT_IP header, or (3) User-Agent header.
https://exchange.xforce.ibmcloud.com/vulnerabilities/54062
http://www.vupen.com/english/advisories/2009/3113
http://www.securityfocus.com/archive/1/507594/100/0/threaded
http://secunia.com/advisories/37197