An “Authentication Bypass Using an Alternate Path or Channel” vulnerability in the OPC UA Server configuration required for B&R mapp Cockpit before 6.0, B&R mapp View before 6.0, B&R mapp Services before 6.0, B&R mapp Motion before 6.0 and B&R mapp Vision before 6.0 may be used by an unauthenticated network-based attacker to cause information disclosure, unintended change of data, or denial of service conditions. B&R mapp Services is only affected, when mpUserX or mpCodeBox are used in the Automation Studio project.