Description
A vulnerability has been identified in SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions), SIMATIC PCS 7 V9.1 (All versions < V9.1 SP1), SIMATIC WinCC V15 and earlier (All versions < V15 SP1 Update 7), SIMATIC WinCC V16 (All versions < V16 Update 5), SIMATIC WinCC V17 (All versions < V17 Update 2), SIMATIC WinCC V7.4 (All versions < V7.4 SP1 Update 19), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 6). The password hash of a local user account in the remote server could be granted via public API to a user on the affected system. An authenticated attacker could brute force the password hash and use it to login to the server.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Siemens | SIMATIC PCS 7 V8.2 | All versions | — |
| Siemens | SIMATIC PCS 7 V9.0 | All versions | — |
| Siemens | SIMATIC PCS 7 V9.1 | All versions < V9.1 SP1 | — |
| Siemens | SIMATIC WinCC V15 and earlier | All versions < V15 SP1 Update 7 | — |
| Siemens | SIMATIC WinCC V16 | All versions < V16 Update 5 | — |
| Siemens | SIMATIC WinCC V17 | All versions < V17 Update 2 | — |
| Siemens | SIMATIC WinCC V7.4 | All versions < V7.4 SP1 Update 19 | — |
| Siemens | SIMATIC WinCC V7.5 | All versions < V7.5 SP2 Update 6 | — |
Advisories 2
- ICSA-22-041-02 Siemens SIMATIC WinCC and PCS CISA ICS & IT advisories · Aug 9, 2022
- SSA-914168 SSA-914168: Multiple Vulnerabilities in SIMATIC WinCC Affecting Other SIMATIC Software Products Siemens ProductCERT · Aug 9, 2022