SAP HANA Extend Application Services (XS) allows remote attackers to bypass access restrictions via a request to a private IU5 SDK application that was once public.
packetstormsecurity.com/files/127667/SAP-HANA-IU5-SDK-Authentication-Bypass.html
scn.sap.com/docs/DOC-8218
seclists.org/fulldisclosure/2014/Jul/150
www.securityfocus.com/archive/1/532944/100/0/threaded
www.securityfocus.com/bid/68950
exchange.xforce.ibmcloud.com/vulnerabilities/94931
service.sap.com/sap/support/notes/1964428