CVE-2022-30257

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

An issue was discovered in Technitium DNS Server through 8.0.2 that allows variant V1 of unintended domain name resolution. A revoked domain name can still be resolvable for a long time, including expired domains and taken-down malicious domains. The effects of an exploit would be widespread and highly impactful, because the exploitation conforms to de facto DNS specifications and operational practices, and overcomes current mitigation patches for "Ghost" domain names.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-706

Affected software

No affected versions have been published.

Timeline

Published
Nov 21, 2022
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2022-30257: Critical severity, CVSS 9.8 | Vulnix