The CODESYS OPC DA Server prior V3.5.18.20 stores PLC passwords as plain text in its configuration file so that it is visible to all authorized Microsoft Windows users of the system.
The product stores a password in plaintext within resources such as memory or files.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Opc_da_server | Codesys | 3.0.0 (including) | 3.5.18.20 (excluding) |