A directory traversal within the ‘ftpservlet’ of the FileCatalyst Workflow Web Portal allows files to be uploaded outside of the intended ‘uploadtemp’ directory with a specially crafted POST request. In situations where a file is successfully uploaded to web portal’s DocumentRoot, specially crafted JSP files could be used to execute code, including web shells.
https://www.scworld.com/news/fortra-filecatalyst-rce-bug-disclosed-full-poc-exploit-available
https://www.fortra.com/security/advisory/fi-2024-002
https://filecatalyst.software/public/filecatalyst/Workflow/5.1.6.114/fcweb_releasenotes.html