CVE-2001-0530
Spearhead NetGAP 200 and 300 before build 78 allow a remote attacker to bypass file blocking and content inspection via specially encoded URLs which include ‘%’ characters.
Date published : 2002-03-09
http://www.securityfocus.com/bid/2798
http://archives.neohapsis.com/archives/bugtraq/2001-05/0256.html