VDB
DEBIAN-CVE-2020-12667
DEBIAN-CVE-2020-12667
PUBLISHED
CVSS 7.5 HIGH
Knot Resolver before 5.1.1 allows traffic amplification via a crafted DNS answer from an attacker-controlled server, aka an "NXNSAttack" issue. This is triggered by random subdomains in the NSDNAME in NS records.
Risk Scores
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:11 | knot-resolver | 0, 0, 0 |
| Debian:13 | knot-resolver | 0, 0, 0 |
| Debian:14 | knot-resolver | 0, 0, 0 |
| Debian:12 | knot-resolver | 0, 0, 0 |
Timeline
- May 19, 2020 CVE Published
- Apr 28, 2026 CVE Updated