Vulnerability Description
The KT-1 door controller is susceptible to replay or man-in-the-middle attacks where an attacker can record and replay TCP packets. This issue affects Johnson Controls KT-1 all versions up to and including 3.01
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Johnsoncontrols | Kantech Kt-1 Door Controller Firmware | <= 3.01 |
| Johnsoncontrols | Kantech Kt-1 Door Controller | - |
Related Weaknesses (CWE)
References
- https://us-cert.gov/ics/advisoriesThird Party AdvisoryUS Government Resource
- https://www.johnsoncontrols.com/cyber-solutions/security-advisoriesVendor Advisory
- https://us-cert.gov/ics/advisoriesThird Party AdvisoryUS Government Resource
- https://www.johnsoncontrols.com/cyber-solutions/security-advisoriesVendor Advisory
FAQ
What is CVE-2021-27662?
CVE-2021-27662 is a vulnerability with a CVSS score of 8.6 (HIGH). The KT-1 door controller is susceptible to replay or man-in-the-middle attacks where an attacker can record and replay TCP packets. This issue affects Johnson Controls KT-1 all versions up to and incl...
How severe is CVE-2021-27662?
CVE-2021-27662 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-27662?
Check the references section above for vendor advisories and patch information. Affected products include: Johnsoncontrols Kantech Kt-1 Door Controller Firmware, Johnsoncontrols Kantech Kt-1 Door Controller.