CVE-2021-25662
Description
A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7\" & 15\" (incl. SIPLUS variants) (All versions < V15.1 Update 6), SIMATIC HMI Comfort Outdoor Panels V16 7\" & 15\" (incl. SIPLUS variants) (All versions < V16 Update 4), SIMATIC HMI Comfort Panels V15 4\" - 22\" (incl. SIPLUS variants) (All versions < V15.1 Update 6), SIMATIC HMI Comfort Panels V16 4\" - 22\" (incl. SIPLUS variants) (All versions < V16 Update 4), SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F (All versions < V15.1 Update 6), SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F (All versions < V16 Update 4), SIMATIC WinCC Runtime Advanced V15 (All versions < V15.1 Update 6), SIMATIC WinCC Runtime Advanced V16 (All versions < V16 Update 4). SmartVNC client fails to handle an exception properly if the program execution process is modified after sending a packet from the server, which could result in a Denial-of-Service condition.
How to fix
- siemens simatic_wincc_runtime_advanced16, 15.1 or later
- siemens simatic_hmi_comfort_outdoor_panels_7\"_firmware16, 15.1 or later
- siemens simatic_hmi_comfort_outdoor_panels_15\"_firmware16, 15.1 or later
- siemens simatic_hmi_comfort_panels_4\"_firmware16, 15.1 or later
- siemens simatic_hmi_comfort_panels_22\"_firmware16, 15.1 or later
- siemens simatic_hmi_ktp_mobile_panels_ktp400f_firmware16, 15.1 or later
- siemens simatic_hmi_ktp_mobile_panels_ktp700_firmware16, 15.1 or later
- siemens simatic_hmi_ktp_mobile_panels_ktp700f_firmware16, 15.1 or later
- siemens simatic_hmi_ktp_mobile_panels_ktp900_firmware16, 15.1 or later
- siemens simatic_hmi_ktp_mobile_panels_ktp900f_firmware16, 15.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| siemens simatic_wincc_runtime_advanced | v < 16, 16, v < 15.1, 15.1 | 16, 15.1 |
| siemens simatic_hmi_comfort_outdoor_panels_7\"_firmware | v < 16, 16, v < 15.1, 15.1 | 16, 15.1 |
| siemens simatic_hmi_comfort_outdoor_panels_15\"_firmware | v < 16, 16, v < 15.1, 15.1 | 16, 15.1 |
| siemens simatic_hmi_comfort_panels_4\"_firmware | v < 16, 16, v < 15.1, 15.1 | 16, 15.1 |
| siemens simatic_hmi_comfort_panels_22\"_firmware | v < 16, 16, v < 15.1, 15.1 | 16, 15.1 |
| siemens simatic_hmi_ktp_mobile_panels_ktp400f_firmware | v < 16, 16, v < 15.1, 15.1 | 16, 15.1 |
| siemens simatic_hmi_ktp_mobile_panels_ktp700_firmware | v < 16, 16, v < 15.1, 15.1 | 16, 15.1 |
| siemens simatic_hmi_ktp_mobile_panels_ktp700f_firmware | v < 16, 16, v < 15.1, 15.1 | 16, 15.1 |
| siemens simatic_hmi_ktp_mobile_panels_ktp900_firmware | v < 16, 16, v < 15.1, 15.1 | 16, 15.1 |
| siemens simatic_hmi_ktp_mobile_panels_ktp900f_firmware | v < 16, 16, v < 15.1, 15.1 | 16, 15.1 |
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