CVE-2021-43105

EUVD-2021-30056
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 26%
Affected Products (NVD)
VendorProductVersion
technitiumdns_server
𝑥
≤ 7.0
𝑥
= Vulnerable software versions
References
https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md
https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md