What is the CVSS score of CVE-2024-56946?

CVE-2024-56946 has a CVSS 3.1 base score of 5.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L. EPSS exploitation probability: 0.9%.

Which versions of Dnsserver are affected by CVE-2024-56946?

Organizations using DNS-over-QUIC in Technitium DNS Server should be aware of moderate risk from CVE-2024-56946 rated CVSS 5.3. Exploitation could compromise the security of affected deployments.. A patch is available.

How to fix or mitigate CVE-2024-56946?

Within 30 days: Identify affected systems running DNS-over-QUIC in Technitium DNS Server and apply vendor patches as part of regular patch cycle. Vendor patch is available.

Dnsserver CVE-2024-56946

MEDIUM

Uncaught Exception (CWE-248)

2025-02-03 cve@mitre.org

Denial Of Service Dnsserver Technitium

5.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.3 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:07 vuln.today

Patch released

Mar 28, 2026 - 18:07 nvd

Patch available

CVE Published

Feb 03, 2025 - 20:15 nvd

MEDIUM 5.3

DescriptionCVE.org

AnalysisAI

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. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Technical ContextAI

This vulnerability is classified under CWE-248. 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. Affected products include: Technitium Dnsserver.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.