CVE-2008-6534
Incomplete blacklist vulnerability in NULL FTP Server Free and Pro 1.1.0.7 allows remote authenticated users to execute arbitrary commands via a custom SITE command containing shell metacharacters such as "&" (ampersand) in the middle of an argument.
Date published : 2009-03-26
http://www.securityfocus.com/bid/32656
http://www.vwsolutions.com/knowledgeBase/releaseNotes.aspx?productId=14