Directory traversal vulnerability in SAP NetWeaver AS Java 7.1 through 7.5 allows remote attackers to read arbitrary files via a ..\ (dot dot backslash) in the fileName parameter to CrashFileDownloadServlet, aka SAP Security Note 2234971.
https://launchpad.support.sap.com/#/notes/2234971
https://erpscan.io/press-center/blog/sap-security-notes-march-2016-review/