Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Siemens | Simatic Wincc Runtime Advanced | < 16 |
| Siemens | Simatic Hmi Comfort Outdoor Panels 7\" Firmware | < 16 |
| Siemens | Simatic Hmi Comfort Outdoor Panels 7\" | - |
| Siemens | Simatic Hmi Comfort Outdoor Panels 15\" Firmware | < 16 |
| Siemens | Simatic Hmi Comfort Outdoor Panels 15\" | - |
| Siemens | Simatic Hmi Comfort Panels 4\" Firmware | < 16 |
| Siemens | Simatic Hmi Comfort Panels 4\" | - |
| Siemens | Simatic Hmi Comfort Panels 22\" Firmware | < 16 |
| Siemens | Simatic Hmi Comfort Panels 22\" | - |
| Siemens | Simatic Hmi Ktp Mobile Panels Ktp400F Firmware | < 16 |
| Siemens | Simatic Hmi Ktp Mobile Panels Ktp400F | - |
| Siemens | Simatic Hmi Ktp Mobile Panels Ktp700 Firmware | < 16 |
| Siemens | Simatic Hmi Ktp Mobile Panels Ktp700 | - |
| Siemens | Simatic Hmi Ktp Mobile Panels Ktp700F Firmware | < 16 |
| Siemens | Simatic Hmi Ktp Mobile Panels Ktp700F | - |
| Siemens | Simatic Hmi Ktp Mobile Panels Ktp900 Firmware | < 16 |
| Siemens | Simatic Hmi Ktp Mobile Panels Ktp900 | - |
| Siemens | Simatic Hmi Ktp Mobile Panels Ktp900F Firmware | < 16 |
| Siemens | Simatic Hmi Ktp Mobile Panels Ktp900F | - |
Related Weaknesses (CWE)
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-538778.pdfVendor Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-131-12Third Party AdvisoryUS Government Resource
- https://cert-portal.siemens.com/productcert/pdf/ssa-538778.pdfVendor Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-131-12Third Party AdvisoryUS Government Resource
FAQ
What is CVE-2021-25662?
CVE-2021-25662 is a vulnerability with a CVSS score of 7.5 (HIGH). 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\" (inc...
How severe is CVE-2021-25662?
CVE-2021-25662 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-25662?
Check the references section above for vendor advisories and patch information. Affected products include: Siemens Simatic Wincc Runtime Advanced, Siemens Simatic Hmi Comfort Outdoor Panels 7\" Firmware, Siemens Simatic Hmi Comfort Outdoor Panels 7\", Siemens Simatic Hmi Comfort Outdoor Panels 15\" Firmware, Siemens Simatic Hmi Comfort Outdoor Panels 15\".