| Package | Affected versions | Patched versions |
|---|---|---|
| ua modbus server | < 1.4.20 | 1.4.20 |
| ua simulation server | < 5.4.0 | 5.4.0 |
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.
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