An issue was discovered in Zoho ManageEngine DataSecurity Plus before 5.0.1 5012. An exposed service allows a basic user ("Operator" access level) to access the configuration file of the mail server (except for the password).
https://www.manageengine.com/data-security/release-notes.html
https://excellium-services.com/cert-xlm-advisory/cve-2019-17112/