Directory traversal vulnerability in NITE ftp-server (NiteServer) 1.83 allows remote attackers to list arbitrary directories via a "\.." (backslash dot dot) in the CD (CWD) command.
https://exchange.xforce.ibmcloud.com/vulnerabilities/11062
http://www.securitytracker.com/id?1005923
http://www.securityfocus.com/bid/6648
http://secunia.com/advisories/7879
http://archives.neohapsis.com/archives/vulnwatch/2003-q1/0022.html