Clearswift MIMEsweeper For Web (a.k.a. WEBsweeper) 4.0 through 5.1 allows remote attackers to bypass filtering via a URL that does not include a .exe extension but returns an executable file.Referenceshttps://exchange.xforce.ibmcloud.com/vulnerabilities/23867http://www.securityfocus.com/archive/1/419904/100/0/threadedhttp://www.digitalarmaments.com/2005161283546323.htmlhttp://www.securityfocus.com/bid/15982/