CVE-2021-39364

Name: CVE-2021-39364
Creator: NVD / NIST
Published: 2022-02-24T22:15:08.307+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.03%

Last modified Jun 17, 2026

CVE-2021-39364 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Honeywell HDZP252DI 1.00.HW02.4 and HBW2PER1 1.000.HW01.3 devices allow command spoofing (for camera control) after ARP cache poisoning has been achieved.. EPSS estimates a 1.03% chance of exploitation in the next 30 days.

Description

Honeywell HDZP252DI 1.00.HW02.4 and HBW2PER1 1.000.HW01.3 devices allow command spoofing (for camera control) after ARP cache poisoning has been achieved.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.03%

59.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-294

Affected Software

Vendor	Product	Versions
Honeywell	Hdzp252di Firmware	1.00.hw02.4
Honeywell	Hbw2per1 Firmware	1.000.hw01.3

References

Timeline

Published: Feb 24, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-39364?

Honeywell HDZP252DI 1.00.HW02.4 and HBW2PER1 1.000.HW01.3 devices allow command spoofing (for camera control) after ARP cache poisoning has been achieved.

How severe is CVE-2021-39364?

CVE-2021-39364 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.03% probability of exploitation in the next 30 days.

How do I fix CVE-2021-39364?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-39364?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST