A Directory Traversal issue was discovered in the Web GUI in Titan FTP Server 2019 Build 3505. When an authenticated user attempts to preview an uploaded file (through PreviewHandler.ashx) by using a \..\..\ technique, arbitrary files can be loaded in the server response outside the root directory.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.066
EPSS Ranking 90.7%