XML external entity (XXE) vulnerability in the Configuration Wizard in SAP NetWeaver Java AS 7.1 through 7.5 allows remote attackers to cause a denial of service, conduct SMB Relay attacks, or access arbitrary files via a crafted XML request to _tc~monitoring~webservice~web/ServerNodesWSService, aka SAP Security Note 2235994.
https://erpscan.io/press-center/blog/sap-security-notes-march-2016-review/
https://erpscan.io/advisories/erpscan-16-013-sap-netweaver-7-4-ctcprotocol-servlet-xxe/