MusicCenter / Trivum Multiroom Setup Tool V8.76 - SNR 8604.26 - C4 Professional before V9.34 build 13381 - 12.07.18 allows unauthorized remote attackers to obtain sensitive information via the "/xml/menu/getObjectEditor.xml" URL, using a "?oid=systemSetup&id=_0" or "?oid=systemUsers&id=_0" GET request.