Description
A vulnerability has been identified in SIMATIC CP 343-1 (incl. SIPLUS variants) (All versions), SIMATIC CP 343-1 Advanced (incl. SIPLUS variants) (All versions), SIMATIC CP 343-1 ERPC (All versions), SIMATIC CP 343-1 Lean (incl. SIPLUS variants) (All versions), SIMATIC CP 443-1 (All versions < V3.3), SIMATIC CP 443-1 (All versions < V3.3), SIMATIC CP 443-1 Advanced (All versions < V3.3), SIPLUS NET CP 443-1 (All versions < V3.3), SIPLUS NET CP 443-1 Advanced (All versions < V3.3). Sending a specially crafted packet to port 102/tcp of an affected device could cause a denial of service condition. A restart is needed to restore normal operations.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | SIMATIC CP 343-1 (incl. SIPLUS variants) | All versions | — |
| Siemens | SIMATIC CP 343-1 Advanced (incl. SIPLUS variants) | All versions | — |
| Siemens | SIMATIC CP 343-1 ERPC | All versions | — |
| Siemens | SIMATIC CP 343-1 Lean (incl. SIPLUS variants) | All versions | — |
| Siemens | SIMATIC CP 443-1 | All versions < V3.3 | — |
| Siemens | SIMATIC CP 443-1 Advanced | All versions < V3.3 | — |
| Siemens | SIPLUS NET CP 443-1 | All versions < V3.3 | — |
| Siemens | SIPLUS NET CP 443-1 Advanced | All versions < V3.3 | — |
Advisories 2
- ICSA-21-257-15 Siemens SIMATIC NET CP Modules CISA ICS & IT advisories · May 6, 2025
- SSA-549234 SSA-549234: Denial-of-Service Vulnerability in SIMATIC NET CP Modules Siemens ProductCERT · Apr 11, 2023