Vulnerability Description
Honeywell HDZP252DI 1.00.HW02.4 and HBW2PER1 1.000.HW01.3 devices allow a video replay attack after ARP cache poisoning has been achieved.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Honeywell | Hdzp252Di Firmware | 1.00.hw02.4 |
| Honeywell | Hdzp252Di | - |
| Honeywell | Hbw2Per1 Firmware | 1.000.hw01.3 |
| Honeywell | Hbw2Per1 | - |
Related Weaknesses (CWE)
References
- https://buildings.honeywell.com/content/dam/hbtbt/en/documents/downloads/SecuritVendor Advisory
- https://buildings.honeywell.com/us/en/brands/our-brands/security/support-and-resVendor Advisory
- https://www.honeywell.com/us/en/product-securityVendor Advisory
- https://buildings.honeywell.com/content/dam/hbtbt/en/documents/downloads/SecuritVendor Advisory
- https://buildings.honeywell.com/us/en/brands/our-brands/security/support-and-resVendor Advisory
- https://www.honeywell.com/us/en/product-securityVendor Advisory
FAQ
What is CVE-2021-39363?
CVE-2021-39363 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Honeywell HDZP252DI 1.00.HW02.4 and HBW2PER1 1.000.HW01.3 devices allow a video replay attack after ARP cache poisoning has been achieved.
How severe is CVE-2021-39363?
CVE-2021-39363 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2021-39363?
Check the references section above for vendor advisories and patch information. Affected products include: Honeywell Hdzp252Di Firmware, Honeywell Hdzp252Di, Honeywell Hbw2Per1 Firmware, Honeywell Hbw2Per1.