The authentication implementation in the web server on Siemens SCALANCE X-200 switches with firmware before 5.0.0 does not use a sufficient source of entropy for generating values of random numbers, which makes it easier for remote attackers to hijack sessions by predicting a value.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Scalance_x-200_series_firmware | Siemens | * | 4.4 (including) |
| Scalance_x-200_series_firmware | Siemens | 4.3 (including) | 4.3 (including) |