Description
A vulnerability has been identified in SCALANCE X204RNA (HSR) (All versions < V3.2.7), SCALANCE X204RNA (PRP) (All versions < V3.2.7), SCALANCE X204RNA EEC (HSR) (All versions < V3.2.7), SCALANCE X204RNA EEC (PRP) (All versions < V3.2.7), SCALANCE X204RNA EEC (PRP/HSR) (All versions < V3.2.7). The webserver of affected devices calculates session ids and nonces in an insecure manner. This could allow an unauthenticated remote attacker to brute-force session ids and hijack existing sessions.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | SCALANCE X204RNA (HSR) | All versions < V3.2.7 | — |
| Siemens | SCALANCE X204RNA (PRP) | All versions < V3.2.7 | — |
| Siemens | SCALANCE X204RNA EEC (HSR) | All versions < V3.2.7 | — |
| Siemens | SCALANCE X204RNA EEC (PRP) | All versions < V3.2.7 | — |
| Siemens | SCALANCE X204RNA EEC (PRP/HSR) | All versions < V3.2.7 | — |
Advisories 2
- ICSA-22-349-02 Siemens SCALANCE X-200RNA Switch Devices CISA ICS & IT advisories · Dec 13, 2022
- SSA-363821 SSA-363821: Multiple Vulnerabilities in SCALANCE X-200RNA Switch Devices before V3.2.7 Siemens ProductCERT · Dec 13, 2022