Prosys OPC UA Simulation Server version prior to v5.3.0-64 and UA Modbus Server versions 1.4.18-5 and prior do not sufficiently protect credentials, which could allow an attacker to obtain user credentials and gain access to system data.
Products Affected
| Vendor | Product | Version |
|---|---|---|
| prosysopc | ua_simulation_server | * |
| prosysopc | ua_modbus_server | * |
The OPC UA Legacy Java Stack before 6f176f2 enables an attacker to block OPC UA server applications via uncontrolled resource consumption so that they can no longer serve client applications.
Products Affected
| Vendor | Product | Version |
|---|---|---|
| opcfoundation | ua_java_legacy | * |
| prosysopc | ua_historian | * |
| prosysopc | ua_simulation_server | * |
| prosysopc | ua_modbus_server | * |