A vulnerability has been identified in SIMATIC NET PC Software V14 (All versions), SIMATIC NET PC Software V15 (All versions), SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions), SIMATIC PCS 7 V9.1 (All versions), SIMATIC WinCC (All versions < V8.0), SINAUT Software ST7sc (All versions). Before SIMATIC WinCC V8, legacy OPC services (OPC DA (Data Access), OPC HDA (Historical Data Access), and OPC AE (Alarms & Events)) were used per default. These services were designed on top of the Windows ActiveX and DCOM mechanisms and do not implement state-of-the-art security mechanisms for authentication and encryption of contents.
The code uses deprecated or obsolete functions, which suggests that the code has not been actively reviewed or maintained.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Simatic_net_pc_software | Siemens | 14.0 (including) | 14.0 (including) |
| Simatic_net_pc_software | Siemens | 15.0 (including) | 15.0 (including) |
| Simatic_pcs_7 | Siemens | 8.2 (including) | 8.2 (including) |
| Simatic_pcs_7 | Siemens | 9.0 (including) | 9.0 (including) |
| Simatic_pcs_7 | Siemens | 9.1 (including) | 9.1 (including) |
| Simatic_wincc | Siemens | * | 8.0 (excluding) |
| Sinaut_st7sc | Siemens | * | * |
As programming languages evolve, functions occasionally become obsolete due to:
Functions that are removed are usually replaced by newer counterparts that perform the same task in some different and hopefully improved way.