CVE-2024-56946

Denial of service in DNS-over-QUIC in Technitium DNS Server <= v13.2.2 allows remote attackers to permanently stop the server from accepting new DNS-over-QUIC connections by triggering unhandled exceptions in listener threads.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
mitreCNA
5.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AC:L/AV:N/A:L/C:N/I:N/PR:N/S:U/UI:N
CISA-ADPADP
---
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Base Score
CVSS 3.x
EPSS Score
Percentile: 24%
VendorProductVersion
technitiumdnsserver
𝑥
< 13.3
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md#version-133
https://github.com/TechnitiumSoftware/DnsServer/commit/a7d1cfb6e836798ef9171677bf8919cf99d9dcb0