high7.5
CVE-2020-15783
A vulnerability has been identified in SIMATIC S7-300 CPU family (incl.
Impact
A vulnerability has been identified in SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC TDC CPU555 (All versions), SINUMERIK 840D sl (All versions). Sending multiple specially crafted packets to the affected devices could cause a Denial-of-Service on port 102. A cold restart is required to recover the service.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Siemens | Sinumerik 840d Sl Firmware | All versions |
| Siemens | Simatic S7-300 Cpu 312 Firmware | All versions |
| Siemens | Simatic S7-300 Cpu 314 Firmware | All versions |
| Siemens | Simatic S7-300 Cpu 315-2 Dp Firmware | All versions |
| Siemens | Simatic S7-300 Cpu 315-2 Pn Firmware | All versions |
| Siemens | Simatic S7-300 Cpu 317-2 Pn Firmware | All versions |
| Siemens | Simatic S7-300 Cpu 317-2 Dp Firmware | All versions |
| Siemens | Simatic S7-300 Cpu 315f-2 Dp Firmware | All versions |
| Siemens | Simatic S7-300 Cpu 315f-2 Pn Firmware | All versions |
| Siemens | Simatic S7-300 Cpu 317f-2 Pn Firmware | All versions |
| Siemens | Simatic S7-300 Cpu 317f-2 Dp Firmware | All versions |
| Siemens | Simatic Tdc Cpu555 Firmware | All versions |