In DIMO YellowBox CRM before 6.3.4, Path Traversal in images/Apparence (dossier=../) and servletrecuperefichier (document=../) allows an unauthenticated user to download arbitrary files from the server.
https://www.elysium-security.com/sitemap.php
https://www.dimo-crm.fr/blog-crm/
https://gist.github.com/sm0k/5de26614282669b0bcfa719b87c17305