CVE-2021-39363

critical

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.

References

https://www.honeywell.com/us/en/product-security

https://buildings.honeywell.com/us/en/brands/our-brands/security/support-and-resources/product-resources/eol-and-security-notices

https://buildings.honeywell.com/content/dam/hbtbt/en/documents/downloads/Security_Notification_SN_2022-01-26-01_CVE-2021-39363_Command_Injection_HDZP252DI.pdf

Details

Source: Mitre, NVD

Published: 2022-02-24

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.01359