CVE-2023-49203 — HIGH (7.5)

Vulnerability Description

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.

CVSS Score

7.5

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Technitium	Dnsserver	11.5.3

Related Weaknesses (CWE)

CWE-406

References

https://gist.github.com/idealeer/89947ca07836fd0f7e9761198ca9a0f3.Broken Link
https://technitium.com/dns/Product

FAQ

What is CVE-2023-49203?

CVE-2023-49203 is a vulnerability with a CVSS score of 7.5 (HIGH). 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...

How severe is CVE-2023-49203?

CVE-2023-49203 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2023-49203?

Check the references section above for vendor advisories and patch information. Affected products include: Technitium Dnsserver.