Description
A vulnerability has been identified in SIMATIC MV540 H (All versions < V3.3.4), SIMATIC MV540 S (All versions < V3.3.4), SIMATIC MV550 H (All versions < V3.3.4), SIMATIC MV550 S (All versions < V3.3.4), SIMATIC MV560 U (All versions < V3.3.4), SIMATIC MV560 X (All versions < V3.3.4). Affected devices cannot properly process specially crafted IP packets sent to the devices. This could allow an unauthenticated remote attacker to cause a denial of service condition. The affected devices must be restarted manually.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | SIMATIC MV540 H | All versions < V3.3.4 | — |
| Siemens | SIMATIC MV540 S | All versions < V3.3.4 | — |
| Siemens | SIMATIC MV550 H | All versions < V3.3.4 | — |
| Siemens | SIMATIC MV550 S | All versions < V3.3.4 | — |
| Siemens | SIMATIC MV560 U | All versions < V3.3.4 | — |
| Siemens | SIMATIC MV560 X | All versions < V3.3.4 | — |
Advisories 2
- ICSA-23-194-04 Siemens SIMATIC MV500 Devices CISA ICS & IT advisories · May 6, 2025
- SSA-561322 SSA-561322: Multiple Vulnerabilities in SIMATIC MV500 Devices before V3.3.4 Siemens ProductCERT · Jul 11, 2023