Vulnerability Description
A vulnerability has been identified in SIPROTEC 5 relays with CPU variants CP050 (All versions < V8.80), SIPROTEC 5 relays with CPU variants CP100 (All versions < V8.80), SIPROTEC 5 relays with CPU variants CP300 (All versions < V8.80). Received webpackets are not properly processed. An unauthenticated remote attacker with access to any of the Ethernet interfaces could send specially crafted packets to force a restart of the target device.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Siemens | Siprotec 5 With Cpu Variant Cp050 | < 8.80 |
| Siemens | Siprotec 5 With Cpu Variant Cp100 | < 8.80 |
| Siemens | Siprotec 5 With Cpu Variant Cp300 | < 8.80 |
Related Weaknesses (CWE)
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-500748.pdfPatchVendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-500748.pdfPatchVendor Advisory
FAQ
What is CVE-2021-37206?
CVE-2021-37206 is a vulnerability with a CVSS score of 7.5 (HIGH). A vulnerability has been identified in SIPROTEC 5 relays with CPU variants CP050 (All versions < V8.80), SIPROTEC 5 relays with CPU variants CP100 (All versions < V8.80), SIPROTEC 5 relays with CPU va...
How severe is CVE-2021-37206?
CVE-2021-37206 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-2021-37206?
Check the references section above for vendor advisories and patch information. Affected products include: Siemens Siprotec 5 With Cpu Variant Cp050, Siemens Siprotec 5 With Cpu Variant Cp100, Siemens Siprotec 5 With Cpu Variant Cp300.