CVE-2021-31228 is a vulnerability in HCC embedded InterNiche 4.0.1 that allows attackers to predict DNS query source ports, enabling the injection of forged DNS response packets. This high-severity vulnerability (CVSS 7.5) has a low attack complexity and can lead to high integrity impact, as it allows for DNS cache poisoning without sniffing specific requests. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), it has received some community attention and media coverage, highlighting its potential impact on critical industrial control devices.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.3CPE matchmatch criteria | cpe:2.3:a:hcc-embedded:nichestack:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.