Description
A vulnerability has been identified in SIMATIC Drive Controller family (All versions >= V2.9.2 < V2.9.4), SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) (All versions >= V21.9 < V21.9.4), SIMATIC S7-1200 CPU family (incl. SIPLUS variants) (All versions >= V4.5.0 < V4.5.2), SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions >= V2.9.2 < V2.9.4), SIMATIC S7-1500 Software Controller (All versions >= V21.9 < V21.9.4), SIMATIC S7-PLCSIM Advanced (All versions >= V4.0 < V4.0 SP1), SIPLUS TIM 1531 IRC (All versions < V2.3.6), TIM 1531 IRC (All versions < V2.3.6). An unauthenticated attacker could cause a denial-of-service condition in a PLC when sending specially prepared packets over port 102/tcp. A restart of the affected device is needed to restore normal operations.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | SIMATIC Drive Controller family | All versions >= V2.9.2 < V2.9.4 | — |
| Siemens | SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) | All versions >= V21.9 < V21.9.4 | — |
| Siemens | SIMATIC S7-1200 CPU family (incl. SIPLUS variants) | All versions >= V4.5.0 < V4.5.2 | — |
| Siemens | SIMATIC S7-1500 CPU family (incl. related ET200 CPUs and SIPLUS variants) | All versions >= V2.9.2 < V2.9.4 | — |
| Siemens | SIMATIC S7-1500 Software Controller | All versions >= V21.9 < V21.9.4 | — |
| Siemens | SIMATIC S7-PLCSIM Advanced | All versions >= V4.0 < V4.0 SP1 | — |
| Siemens | SIPLUS TIM 1531 IRC | All versions < V2.3.6 | — |
| Siemens | TIM 1531 IRC | All versions < V2.3.6 | — |
Advisories 2
- ICSA-22-041-01 Siemens SIMATIC Industrial Products (Update A) CISA ICS & IT advisories · May 6, 2025
- SSA-838121 SSA-838121: Multiple Denial of Service Vulnerabilities in Industrial Products Siemens ProductCERT · Apr 11, 2023