The (1) Structures and (2) Project-Oriented Procurement components in SAP Project System has hardcoded credentials, which makes it easier for remote attackers to obtain access via unspecified vectors.
https://service.sap.com/sap/support/notes/1791081
http://www.securityfocus.com/bid/67920
http://www.layersevensecurity.com/docs/Layer%20Seven%20Security_Advisory_February%202014.pdf