Under certain conditions SAP Business Client 6.5 allows an attacker to access information which would otherwise be restricted.
https://launchpad.support.sap.com/#/notes/2580967
https://euvd.enisa.europa.eu/vulnerability/EUVD-2018-14253
https://blogs.sap.com/2018/03/13/sap-security-patch-day-march-2018/