A remote unauthenticated attacker, SAP HANA 1.00 and 2.00, could send specially crafted SOAP requests to the SAP Startup Service and disclose information such as the platform's hostname.
https://launchpad.support.sap.com/#/notes/2575750
https://blogs.sap.com/2018/01/09/sap-security-patch-day-january-2018/