CVE-2020-37197 Dnss Domain Name Search Software - 'Name' Denial of Service
Attackers can crash the Dnss Domain Name Search Software by submitting an oversized payload to the registration name field.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-37197?
CVE-2020-37197 is a medium-severity denial of service vulnerability in Nsasoft Nsauditor Dnss Domain Name Search Software, published on 11 Feb 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Dnss Domain Name Search Software contains a denial of service vulnerability that allows attackers to crash the application by overflowing the 'Name' input field. Attackers can generate a 1000-character buffer payload and paste it into the registration name field to trigger an application crash.
Weakness: CWE-120
Which versions are affected by CVE-2020-37197?
It affects 1 product.
Products include Nsasoft Domain Name Search Software.
How do I fix CVE-2020-37197?
No fix has been published for CVE-2020-37197 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2020-37197 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-37197 exists.
Other vulnerabilities in Nsasoft Nsauditor Dnss Domain Name Search Software
Sources
Also known as GHSA-gg4v-3p7w-7vc6.