The DNP Master Driver in the OSIsoft PI Interface before 3.1.2.54 for DNP3 allows physically proximate attackers to cause a denial of service (interface shutdown) via crafted input over a serial line.
The DNP Master Driver in the OSIsoft PI Interface before 3.1.2.54 for DNP3 allows remote attackers to cause a denial of service (interface shutdown) via a crafted TCP packet.