How severe is CVE-2024-56089?

CVE-2024-56089 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2024-56089 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-56089?

CVE-2024-56089 affects Technitium Dnsserver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-56089?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-56089 have an EU (EUVD) identifier?

Yes. CVE-2024-56089 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-55104.

When was CVE-2024-56089 published?

CVE-2024-56089 was published on 2025-12-01 and last updated on 2026-06-17.

CVE-2024-56089

CVE-2024-56089 is a high-severity vulnerability in Technitium Dnsserver with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-330.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (20th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-55104
Weakness: CWE-330
Affected product: Technitium Dnsserver
Published: 2025-12-01
Last modified: 2026-06-17

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.

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.
How severe is CVE-2024-56089?: CVE-2024-56089 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2024-56089 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-56089?: CVE-2024-56089 affects Technitium Dnsserver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-56089?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-56089 have an EU (EUVD) identifier?: Yes. CVE-2024-56089 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-55104.
When was CVE-2024-56089 published?: CVE-2024-56089 was published on 2025-12-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:technitium:dnsserver:*:*:*:*:*:*:*:*

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