CVE-2019-12143
A Directory Traversal issue was discovered in SSHServerAPI.dll in Progress ipswitch WS_FTP Server 2018 before 8.6.1. An attacker can supply a string using special patterns via the SCP protocol to disclose WS_FTP usernames as well as filenames.
Date published : 2019-06-11
https://docs.ipswitch.com/WS_FTP_Server2018/ReleaseNotes/index.htm#49242.htm