my.activation.php3 in F5 FirePass 4100 SSL VPN allows remote attackers to execute arbitrary shell commands via shell metacharacters in the username parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/34708
http://www.vupen.com/english/advisories/2007/2073
http://www.securitytracker.com/id?1018190
http://www.securityfocus.com/bid/24306
http://www.securityfocus.com/archive/1/470444/100/0/threaded