CVE-2018-2394
Under certain conditions an unauthenticated malicious user can prevent legitimate users from accessing the SAP Internet Graphics Server (IGS), 7.20, 7.20EXT, 7.45, 7.49, 7.53, services and/or system files.
Date published : 2018-02-14
https://blogs.sap.com/2018/02/13/sap-security-patch-day-february-2018/