Under certain conditions a malicious user provoking a Null Pointer dereference can prevent legitimate users from accessing the SAP Internet Graphics Server, 7.20, 7.20EXT, 7.45, 7.49, 7.53, and its services.

Under certain conditions a malicious user provoking an out of bounds buffer overflow can prevent legitimate users from accessing the SAP Internet Graphics Server (IGS), 7.20, 7.20EXT, 7.45, 7.49, 7.53.

Under certain conditions a malicious user can prevent legitimate users from accessing the SAP Internet Graphics Server (IGS), 7.20, 7.20EXT, 7.45, 7.49, 7.53, via IGS portwatcher service.