CVE-2010-4790
Directory traversal vulnerability in FilterFTP 2.0.3, 2.0.5, and probably earlier versions, allows remote FTP servers to write arbitrary files via a ".." (dot dot backslash) in a filename. NOTE: some of these details are obtained from third party information.
Date published : 2011-04-26
http://www.securityfocus.com/archive/1/514182/100/0/threaded
http://packetstormsecurity.org/1010-exploits/filterftp-traversal.txt