VULNERABILITY INTELLIGENCE

CVE-2023-28451

CVSS score7.5 HIGH
EPSS probability0.53%
CISA KEVNot currently listed
Published2024-09-18
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

An issue was discovered in Technitium 11.0.2. There is a vulnerability (called BadDNS) in DNS resolving software, which triggers a resolver to ignore valid responses, thus causing DoS (denial of service) for normal resolution. The effects of an exploit would be widespread and highly impactful, because the attacker could just forge a response targeting the source port of a vulnerable resolver without the need to guess the correct TXID.

Weakness classification

  • CWE-400: Uncontrolled Resource Consumption

Primary references