CVE-2020-37196

Dnss Domain Name Search Software contains a denial of service vulnerability that allows attackers to crash the application by providing an oversized registration key. Attackers can generate a 1000-character buffer payload and paste it into the registration key field to trigger an application crash.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
http://www.nsauditor.com/	Product
https://www.exploit-db.com/exploits/47856	Exploit VDB Entry
https://www.vulncheck.com/advisories/dnss-domain-name-search-software-key-denial-of-service	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:nsasoft:domain_name_search_software:-:*:*:*:*:*:*:*

History

17 Jun 2026, 03:17

Type	Values Removed	Values Added
Summary		(es) El software Dnss Domain Name Search contiene una vulnerabilidad de denegación de servicio que permite a los atacantes bloquear la aplicación al proporcionar una clave de registro sobredimensionada. Los atacantes pueden generar una carga útil de búfer de 1000 caracteres y pegarla en el campo de la clave de registro para provocar un bloqueo de la aplicación.

27 Feb 2026, 16:13

Type	Values Removed	Values Added
References	~~() http://www.nsauditor.com/ -~~	() http://www.nsauditor.com/ - Product
References	~~() https://www.exploit-db.com/exploits/47856 -~~	() https://www.exploit-db.com/exploits/47856 - Exploit, VDB Entry
References	~~() https://www.vulncheck.com/advisories/dnss-domain-name-search-software-key-denial-of-service -~~	() https://www.vulncheck.com/advisories/dnss-domain-name-search-software-key-denial-of-service - Third Party Advisory
CPE		cpe:2.3:a:nsasoft:domain_name_search_software:-:::::::*
First Time		Nsasoft domain Name Search Software Nsasoft

11 Feb 2026, 21:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-02-11 21:16

Updated : 2026-06-29 18:29

NVD link : CVE-2020-37196

Mitre link : CVE-2020-37196

CVE.ORG link : CVE-2020-37196

JSON object : View

Products Affected

nsasoft

domain_name_search_software

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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