CVE-2021-40364
Description
A vulnerability has been identified in SIMATIC PCS 7 V8.2 (All versions), SIMATIC PCS 7 V9.0 (All versions < V9.0 SP3 UC04), 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 5). The affected systems store sensitive information in log files. An attacker with access to the log files could publicly expose the information or reuse it to develop further attacks on the system.
How to fix
- siemens simatic_pcs_79.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| siemens simatic_pcs_7 | v ≤ 8.2, 9.0 ≤ v < 9.1, 9.1 | 9.1 |
| siemens simatic_wincc | v ≤ 7.4, 7.5, 15, 16, 17 | — |
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