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Vulnerability record · CVE-2023-28456 · published 18 September 2024

CVE-2023-28456: Technitium dnsserver vulnerability

Technitium · Dnsserver

An issue was discovered in Technitium through 11.0.2. It enables attackers to launch amplification attacks (3 times more than other "golden model" software like BIND) and cause potential DoS.

7.5 CVSS 3.1 High EPSS 0.54% · top 56.6% CWE-406 · CWE-406
7.5CVSS 3.1 base score
0.54%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

An issue was discovered in Technitium through 11.0.2. It enables attackers to launch amplification attacks (3 times more than other "golden model" software like BIND) and cause potential DoS.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://gist.github.com/idealeer/89947ca07836fd0f7e9761198ca9a0f3 Third Party Advisory
https://technitium.com/dns/ Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2025-50334Technitium dnsserver allocation without limits vulnerabilityAn issue in Technitium DNS Server v.13.5 allows a remote attacker to cause a denial of service via the rate-limiting componentEPSS 1.1%7.5CVE-2024-56089Technitium dnsserver vulnerabilityAn issue in Technitium through v13.2.2 enables attackers to conduct a DNS cache poisoning attack and inject fake responses by reviving the birthday a…EPSS 0.32%7.5CVE-2023-28455Technitium dnsserver vulnerabilityAn issue was discovered in Technitium through 11.0.2. The forwarding mode enables attackers to create a query loop using Technitium resolvers, launch…EPSS 0.53%7.5CVE-2023-28457Technitium dnsserver insufficient verification of data authenticity vulnerabilityAn issue was discovered in Technitium through 11.0.3. It enables attackers to conduct a DNS cache poisoning attack and inject fake responses within 1…EPSS 0.21%7.5CVE-2023-49203Technitium dnsserver vulnerabilityTechnitium 11.5.3 allows remote attackers to cause a denial of service (bandwidth amplification) because the DNSBomb manipulation causes accumulation…EPSS 0.65%7.5CVE-2023-28451Technitium dnsserver uncontrolled resource consumption vulnerabilityAn issue was discovered in Technitium 11.0.2. There is a vulnerability (called BadDNS) in DNS resolving software, which triggers a resolver to ignore…EPSS 0.53%6.5CVE-2026-42255Technitium dnsserver vulnerabilityTechnitium DNS Server before 15.0 allows DNS traffic amplification via cyclic name server delegation.EPSS 0.35%5.3CVE-2024-56946Technitium dnsserver vulnerabilityDenial 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-…EPSS 0.45%

Source: NIST National Vulnerability Database (record CVE-2023-28456), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.