High severity · published Sep 18, 2024
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…
7.5
CVSS
0.6%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DN
Dnsserver · Technitium
11.5.3 · source: NVD
DS
Dns Server · Technitium
11.5.3 · source: CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-49203
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-49203
Broken Link
https://gist.github.com/idealeer/89947ca07836fd0f7e9761198ca9a0f3.
Product
https://technitium.com/dns/
More from Dnsserver
7.5
CVE-2025-50334
An issue in Technitium DNS Server v.13.5 allows a remote attacker to cause a denial of service via the rate-limiting component
7.5
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
7.5
CVE-2023-28456
An issue was discovered in Technitium through 11.0.2
7.5
CVE-2023-28457
An issue was discovered in Technitium through 11.0.3
7.5
CVE-2023-28451
An issue was discovered in Technitium 11.0.2
