Command Spoofing Vulnerability in Honeywell HDZP252DI and HBW2PER1 Devices
CVE-2021-39364

7.5HIGH

Key Information:

Vendor

Honeywell

Status
Hdzp252di Firmware
Vendor
CVE Published:
24 February 2022

What is CVE-2021-39364?

Honeywell HDZP252DI and HBW2PER1 devices are susceptible to command spoofing which can be exploited after an attacker successfully executes ARP cache poisoning. This raises significant security concerns as unauthorized commands can be sent to the devices, compromising their function and control.

References

https://www.honeywell.com/us/en/product-security
x_refsource_MISC
https://buildings.honeywell.com/us/en/brands/our-brands/s...
x_refsource_MISC
https://buildings.honeywell.com/content/dam/hbtbt/en/docu...
x_refsource_CONFIRM

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.