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.
References (1)
Core 1
Core References
Release Notes, Third Party Advisory x_refsource_misc
https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md
Scores
CVSS v3
4.3
EPSS
0.0009
EPSS Percentile
25.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Details
Status
published
Products (1)
technitium/dns_server
< 7.0
Published
Mar 28, 2022
Tracked Since
Feb 18, 2026