Vulnerability Description
A vulnerability has been identified in RUGGEDCOM RM1224 (All versions >= V4.3 and < V6.4), SCALANCE M-800 (All versions >= V4.3 and < V6.4), SCALANCE S615 (All versions >= V4.3 and < V6.4), SCALANCE SC-600 Family (All versions >= V2.0 and < V2.1.3), SCALANCE XB-200 (All versions < V4.1), SCALANCE XC-200 (All versions < V4.1), SCALANCE XF-200BA (All versions < V4.1), SCALANCE XM400 (All versions < V6.2), SCALANCE XP-200 (All versions < V4.1), SCALANCE XR-300WG (All versions < V4.1), SCALANCE XR500 (All versions < V6.2). Affected devices contain a stack-based buffer overflow vulnerability in the handling of STP BPDU frames that could allow a remote attacker to trigger a denial-of-service condition or potentially remote code execution. Successful exploitation requires the passive listening feature of the device to be active.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Siemens | Ruggedcom Rm1224 Firmware | >= 4.3, < 6.4 |
| Siemens | Ruggedcom Rm1224 | - |
| Siemens | Scalance M-800 Firmware | >= 4.3, < 6.4 |
| Siemens | Scalance M-800 | - |
| Siemens | Scalance S615 Firmware | >= 4.3, < 6.4 |
| Siemens | Scalance S615 | - |
| Siemens | Scalance X300Wg Firmware | < 4.1 |
| Siemens | Scalance X300Wg | - |
| Siemens | Scalance Xm400 Firmware | < 6.2 |
| Siemens | Scalance Xm400 | - |
| Siemens | Scalance Xr500 Firmware | < 6.2 |
| Siemens | Scalance Xr500 | - |
| Siemens | Scalance Sc622-2C Firmware | <= 2.0 |
| Siemens | Scalance Sc622-2C | - |
| Siemens | Scalance Sc632-2C Firmware | <= 2.0 |
| Siemens | Scalance Sc632-2C | - |
| Siemens | Scalance Sc636-2C Firmware | <= 2.0 |
| Siemens | Scalance Sc636-2C | - |
| Siemens | Scalance Sc642-2C Firmware | <= 2.0 |
| Siemens | Scalance Sc642-2C | - |
Related Weaknesses (CWE)
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-979775.pdfPatchVendor Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-068-03PatchThird Party AdvisoryUS Government Resource
- https://cert-portal.siemens.com/productcert/pdf/ssa-979775.pdfPatchVendor Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-068-03PatchThird Party AdvisoryUS Government Resource
FAQ
What is CVE-2021-25667?
CVE-2021-25667 is a vulnerability with a CVSS score of 8.8 (HIGH). A vulnerability has been identified in RUGGEDCOM RM1224 (All versions >= V4.3 and < V6.4), SCALANCE M-800 (All versions >= V4.3 and < V6.4), SCALANCE S615 (All versions >= V4.3 and < V6.4), SCALANCE S...
How severe is CVE-2021-25667?
CVE-2021-25667 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-25667?
Check the references section above for vendor advisories and patch information. Affected products include: Siemens Ruggedcom Rm1224 Firmware, Siemens Ruggedcom Rm1224, Siemens Scalance M-800 Firmware, Siemens Scalance M-800, Siemens Scalance S615 Firmware.