What is CVE-2023-49203?

CVE-2023-49203 is a high-severity vulnerability in Technitium Dnsserver, classified under CWE-406. CVSS score: 7.5/10. Published 2024-09-18.

How severe is CVE-2023-49203?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Technitium Dnsserver

CVE-2023-49203

Technitium 11.5.3 allows remote attackers to cause a denial of service (bandwidth amplification) because the DNSBomb manipulation causes accumulation of low-rate DNS queries such that there is a large-sized response in a burst of traffic.

EPSS: 0.006 (47.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Technitium Dnsserver — versions 11.5.3
N/a — versions n/a

Weakness classification (CWE)

CWE-406

References

cve@mitre.org (Product)
cve@mitre.org (Broken Link)

Frequently asked questions

What is CVE-2023-49203?: CVE-2023-49203 is a high-severity vulnerability in Technitium Dnsserver, classified under CWE-406. CVSS score: 7.5/10. Published 2024-09-18.
How severe is CVE-2023-49203?: High severity. CVSS v3 base score is 7.5 out of 10.