CVE-2007-3701
TippingPoint IPS before 20070710 does not properly handle a hex-encoded alternate Unicode ‘/’ (slash) character, which might allow remote attackers to send certain network traffic and avoid detection, as demonstrated by a cmd.exe attack.
Date published : 2007-07-11
http://www.securityfocus.com/bid/24855
http://www.securityfocus.com/archive/1/473311/100/0/threaded