Description
A vulnerability has been identified in SCALANCE X200-4P IRT (All versions < V5.5.2), SCALANCE X201-3P IRT (All versions < V5.5.2), SCALANCE X201-3P IRT PRO (All versions < V5.5.2), SCALANCE X202-2IRT (All versions < V5.5.2), SCALANCE X202-2IRT (All versions < V5.5.2), SCALANCE X202-2P IRT (All versions < V5.5.2), SCALANCE X202-2P IRT PRO (All versions < V5.5.2), SCALANCE X204IRT (All versions < V5.5.2), SCALANCE X204IRT (All versions < V5.5.2), SCALANCE X204IRT PRO (All versions < V5.5.2), SCALANCE XF201-3P IRT (All versions < V5.5.2), SCALANCE XF202-2P IRT (All versions < V5.5.2), SCALANCE XF204-2BA IRT (All versions < V5.5.2), SCALANCE XF204IRT (All versions < V5.5.2), SIPLUS NET SCALANCE X202-2P IRT (All versions < V5.5.2). The SSH server on affected devices is configured to offer weak ciphers by default.
This could allow an unauthorized attacker in a man-in-the-middle position to read and modify any data
passed over the connection between legitimate clients and the affected device.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | SCALANCE X200-4P IRT | All versions < V5.5.2 | — |
| Siemens | SCALANCE X201-3P IRT | All versions < V5.5.2 | — |
| Siemens | SCALANCE X201-3P IRT PRO | All versions < V5.5.2 | — |
| Siemens | SCALANCE X202-2IRT | All versions < V5.5.2 | — |
| Siemens | SCALANCE X202-2P IRT | All versions < V5.5.2 | — |
| Siemens | SCALANCE X202-2P IRT PRO | All versions < V5.5.2 | — |
| Siemens | SCALANCE X204IRT | All versions < V5.5.2 | — |
| Siemens | SCALANCE X204IRT PRO | All versions < V5.5.2 | — |
| Siemens | SCALANCE XF201-3P IRT | All versions < V5.5.2 | — |
| Siemens | SCALANCE XF202-2P IRT | All versions < V5.5.2 | — |
| Siemens | SCALANCE XF204-2BA IRT | All versions < V5.5.2 | — |
| Siemens | SCALANCE XF204IRT | All versions < V5.5.2 | — |
| Siemens | SIPLUS NET SCALANCE X202-2P IRT | All versions < V5.5.2 | — |
Advisories 2
- ICSA-23-103-05 Siemens SCALANCE X-200IRT Devices CISA ICS & IT advisories · May 6, 2025
- SSA-479249 SSA-479249: Weak Encryption Vulnerability in SCALANCE X-200IRT Devices Siemens ProductCERT · Apr 11, 2023