CVE-2024-56089

HIGH

Published Dec 1, 2025 Modified Dec 23, 2025 CWE-330

Description

An issue in Technitium through v13.2.2 enables attackers to conduct a DNS cache poisoning attack and inject fake responses by reviving the birthday attack.

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CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-330 CWE-330

Affected Products

Vendor	Product	Versions
technitium	dnsserver	< 13.2.2

References

Other References

https://github.com/TechnitiumSoftware/DnsServer/blob/master/CHANGELOG.md#version-134 https://technitium.com/dns/

Frequently Asked Questions

What is CVE-2024-56089? +

An issue in Technitium through v13.2.2 enables attackers to conduct a DNS cache poisoning attack and inject fake responses by reviving the birthday attack. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-56089? +

CVE-2024-56089 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-56089? +

CVE-2024-56089 affects products from technitium, specifically: dnsserver. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-56089? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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