DNS Cache Poisoning Vulnerability in Technitium DNS Server
CVE-2024-56089

7.5HIGH

Key Information:

Vendor

Technitium

Status
Technitium DNS Server
Vendor
CVE Published:
1 December 2025

What is CVE-2024-56089?

A vulnerability in the Technitium DNS Server up to version 13.2.2 allows attackers to exploit a weakness through a DNS cache poisoning attack. By leveraging the birthday attack, adversaries can inject malicious fake DNS responses into the cache. This can lead to users being redirected to fraudulent websites, increasing the risk of data breaches and other cybersecurity threats. It is crucial for users of affected versions to apply the latest updates and monitor their DNS configurations for any unusual activity.

References

https://technitium.com/dns/
https://github.com/TechnitiumSoftware/DnsServer/blob/mast...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.