CVE-2020-12667 describes an NXNSAttack vulnerability in Knot Resolver versions prior to 5.1.1, allowing for DNS traffic amplification. This high-severity vulnerability (CVSS 7.5) has a low attack complexity and can lead to denial-of-service (DoS) attacks by leveraging crafted DNS answers from attacker-controlled servers. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion and media coverage, indicating awareness of its potential impact.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.1.1CPE matchmatch criteria | cpe:2.3:a:nic:knot_resolver:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
No social media mentions found for this CVE.
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.