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.
The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ua_modbus_server | Prosysopc | * | 1.4.20 (excluding) |
| Ua_simulation_server | Prosysopc | * | 5.4.0 (excluding) |