CVE-2021-43105

MediumCVSS 4.3/10Last modified Jun 17, 2026

Description

A vulnerability in the bailiwick checking function in Technitium DNS Server <= v7.0 exists that allows specific malicious users to inject `NS` records of any domain (even TLDs) into the cache and conduct a DNS cache poisoning attack.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Affected software

No affected versions have been published.

Timeline

Published
Mar 28, 2022
Last modified
Jun 17, 2026
NVD status
Modified

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