high7.5
CVE-2023-35920
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…
Impact
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 versions |
|---|---|---|
| Siemens | Simatic Mv540 H Firmware | before 3.3.4 |
| Siemens | Simatic Mv540 S Firmware | before 3.3.4 |
| Siemens | Simatic Mv550 H Firmware | before 3.3.4 |
| Siemens | Simatic Mv550 S Firmware | before 3.3.4 |
| Siemens | Simatic Mv560 U Firmware | before 3.3.4 |
| Siemens | Simatic Mv560 X Firmware | before 3.3.4 |