SAP CRM, 7.01, 7.02,7.30, 7.31, 7.33, 7.54, allows an attacker to exploit insufficient validation of path information provided by users, thus characters representing "traverse to parent directory" are passed through to the file APIs.
https://www.exploit-db.com/exploits/44292/
https://launchpad.support.sap.com/#/notes/2547431
https://github.com/erpscanteam/CVE-2018-2380
https://blogs.sap.com/2018/02/13/sap-security-patch-day-february-2018/