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), SINAMICS GH150 (All versions), SINAMICS GL150 (with option X30) (All versions), SINAMICS GM150 (with option X30) (All versions), SINAMICS SH150 (All versions), SINAMICS SL150 (All versions), SINAMICS SM120 (All versions), SINAMICS SM150 (All versions), SINAMICS SM150i (All versions). SmartVNC has a heap allocation leak vulnerability in the server Tight encoder, which could result in a Denial-of-Service condition.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Siemens | Simatic Wincc Runtime Advanced | < 16 |
| Siemens | Sinamics Sh150 Firmware | All versions |
| Siemens | Sinamics Sh150 | - |
| Siemens | Sinamics Sm150I Firmware | All versions |
| Siemens | Sinamics Sm150I | - |
| Siemens | Sinamics Gh150 Firmware | All versions |
| Siemens | Sinamics Gh150 | - |
| Siemens | Sinamics Gl150 Firmware | All versions |
| Siemens | Sinamics Gl150 | - |
| Siemens | Sinamics Gm150 Firmware | All versions |
| Siemens | Sinamics Gm150 | - |
| Siemens | Sinamics Sl150 Firmware | All versions |
| Siemens | Sinamics Sl150 | - |
| Siemens | Sinamics Sm120 Firmware | All versions |
| Siemens | Sinamics Sm120 | - |
| Siemens | Sinamics Sm150 Firmware | All versions |
| Siemens | Sinamics Sm150 | - |
| 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 |
Related Weaknesses (CWE)
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdfVendor Advisory
- 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-286838.pdfVendor Advisory
- 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-2021-27383?
CVE-2021-27383 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-2021-27383?
CVE-2021-27383 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-2021-27383?
Check the references section above for vendor advisories and patch information. Affected products include: Siemens Simatic Wincc Runtime Advanced, Siemens Sinamics Sh150 Firmware, Siemens Sinamics Sh150, Siemens Sinamics Sm150I Firmware, Siemens Sinamics Sm150I.