CVE-2021-39364 : Exploit Details and Defense Strategies

This CVE-2021-39364 information will guide you through the impact, technical details, and mitigation of the vulnerability.

Understanding CVE-2021-39364

CVE-2021-39364 involves Honeywell HDZP252DI and HBW2PER1 devices, allowing command spoofing after ARP cache poisoning.

What is CVE-2021-39364?

The Honeywell HDZP252DI 1.00.HW02.4 and HBW2PER1 1.000.HW01.3 devices are susceptible to command spoofing post ARP cache poisoning.

The Impact of CVE-2021-39364

The vulnerability enables unauthorized individuals to execute manipulative commands after successful ARP cache poisoning.

Technical Details of CVE-2021-39364

Explore the specific technical aspects of this security flaw.

Vulnerability Description

After ARP cache poisoning, threat actors can engage in command spoofing for camera control on the affected Honeywell devices.

Affected Systems and Versions

Affected Devices: Honeywell HDZP252DI 1.00.HW02.4 and HBW2PER1 1.000.HW01.3
Versions at Risk: 1.00.HW02.4 and 1.000.HW01.3

Exploitation Mechanism

The exploit relies on gaining control through ARP cache poisoning to manipulate camera commands.

Mitigation and Prevention

Discover the essential steps to mitigate and prevent the exploitation of CVE-2021-39364.

Immediate Steps to Take

Implement ARP security mechanisms to avoid cache poisoning attacks.
Utilize network segmentation to restrict unauthorized access to camera controls.

Long-Term Security Practices

Regularly update device firmware to patch vulnerabilities.
Conduct security audits to detect and prevent similar threats in the future.

Patching and Updates

Regularly check for security advisories and apply patches released by Honeywell to secure the affected devices.