Siemens SIMATIC S7-1200 PLCs 2.x and 3.x allow remote attackers to cause a denial of service (defect-mode transition and control outage) via crafted packets to TCP port 102 (aka the ISO-TSAP port).
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Simatic_s7-1200_firmware | Siemens | * | 4.0 (excluding) |