Description
A vulnerability has been identified in SIMATIC S7-300 CPU family (All versions), SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 V6 and earlier CPU family (All versions), SIMATIC S7-400 V7 CPU family (All versions). Specially crafted packets sent to port 80/tcp could cause the affected devices to go into defect mode. A cold restart is required to recover the system.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | SIMATIC S7-300 CPU family | All versions | — |
| Siemens | SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) | All versions | — |
| Siemens | SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants) | All versions | — |
| Siemens | SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants) | All versions | — |
| Siemens | SIMATIC S7-400 V6 and earlier CPU family | All versions | — |
| Siemens | SIMATIC S7-400 V7 CPU family | All versions | — |