CVE-2021-39363 is a critical vulnerability affecting Honeywell HDZP252DI and HBW2PER1 devices, allowing for a video replay attack after successful ARP cache poisoning. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with low complexity, enabling an unauthenticated attacker to achieve high impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation or publicly available exploit code in Metasploit, Nuclei, or ExploitDB, the vulnerability has garnered significant community discussion, indicating awareness among security researchers.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.00.hw02.4CPE matchmatch criteria | cpe:2.3:o:honeywell:hdzp252di_firmware:1.00.hw02.4:*:*:*:*:*:*:* | ||
1.000.hw01.3CPE matchmatch criteria | cpe:2.3:o:honeywell:hbw2per1_firmware:1.000.hw01.3:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.