Description
A vulnerability has been identified in CP-8031 MASTER MODULE (All versions < CPCI85 V05.11 (only with activated debug support)), CP-8050 MASTER MODULE (All versions < CPCI85 V05.11 (only with activated debug support)). The affected devices contain a hard-coded ID in the SSH `authorized_keys` configuration file. An attacker with knowledge of the corresponding private key could login to the device via SSH. Only devices with activated debug support are affected.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | CP-8031 MASTER MODULE | All versions < CPCI85 V05.11 (only with activated debug support) | — |
| Siemens | CP-8050 MASTER MODULE | All versions < CPCI85 V05.11 (only with activated debug support) | — |
Advisories 3
- ICSA-23-285-09 Siemens CPCI85 Firmware of SICAM A8000 Devices CISA ICS & IT advisories · Oct 10, 2023
- SSA-134651 SSA-134651: Hard Coded SSH ID in CPCI85 Firmware of SICAM A8000 Devices Siemens ProductCERT · Oct 10, 2023
- WID-SEC-2023-2603 Siemens SICAM: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 9, 2023