high7.5
CVE-2022-33138
A vulnerability has been identified in SIMATIC MV540 H (All versions < V3.3), SIMATIC MV540 S (All versions < V3.3), SIMATIC MV550 H (All versions < V3.3), SIM…
Impact
A vulnerability has been identified in SIMATIC MV540 H (All versions < V3.3), SIMATIC MV540 S (All versions < V3.3), SIMATIC MV550 H (All versions < V3.3), SIMATIC MV550 S (All versions < V3.3), SIMATIC MV560 U (All versions < V3.3), SIMATIC MV560 X (All versions < V3.3). Affected devices do not perform authentication for several web API endpoints. This could allow an unauthenticated remote attacker to read and download data from the device.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Siemens | Simatic Mv540 H Firmware | before 3.3 |
| Siemens | Simatic Mv540 S Firmware | before 3.3 |
| Siemens | Simatic Mv550 H Firmware | before 3.3 |
| Siemens | Simatic Mv550 S Firmware | before 3.3 |
| Siemens | Simatic Mv560 U Firmware | before 3.3 |
| Siemens | Simatic Mv560 X Firmware | before 3.3 |