Description
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). The web session management of affected devices does not invalidate session ids in certain logout scenarios. This could allow an authenticated remote attacker to hijack other users' sessions.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | SIMATIC MV540 H | All versions < V3.3 | — |
| Siemens | SIMATIC MV540 S | All versions < V3.3 | — |
| Siemens | SIMATIC MV550 H | All versions < V3.3 | — |
| Siemens | SIMATIC MV550 S | All versions < V3.3 | — |
| Siemens | SIMATIC MV560 U | All versions < V3.3 | — |
| Siemens | SIMATIC MV560 X | All versions < V3.3 | — |
Advisories 2
- ICSA-22-195-03 Siemens SIMATIC MV500 Devices CISA ICS & IT advisories · Jul 12, 2022
- SSA-348662 SSA-348662: Multiple Vulnerabilities in SIMATIC MV500 Devices before V3.3 Siemens ProductCERT · Jul 12, 2022