Directory traversal vulnerability in the web interface in Titan FTP Server before 10.40 build 1829 allows remote attackers to list all usernames via a Go action with a .. (dot dot) in the search-bar value.
Improper Limitation of a Pathname to a Restricted Directory The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.