Denial of Service Vulnerability in Dnss Domain Name Search Software by Vendor
CVE-2020-37197

4.6MEDIUM

Key Information:

Vendor

Nsasoft

Status
Nsauditor Dnss Domain Name Search Software
Vendor
CVE Published:
11 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-37197?

The Dnss Domain Name Search Software is impacted by a denial of service vulnerability that exploits the 'Name' input field. Attackers can leverage this vulnerability by inputting an oversized buffer, specifically up to 1000 characters, into the registration name field. This action leads to an application crash, affecting the availability of the service. Users are advised to implement necessary mitigations to secure their systems against potential exploitation.

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Affected Version(s)

Nsauditor Dnss Domain Name Search Software -

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2020-37197 - Proof of Concept

References

https://www.exploit-db.com/exploits/47861
exploit
http://www.nsauditor.com/
product
https://www.vulncheck.com/advisories/dnss-domain-name-sea...
third-party-advisory

CVSS V4

Score:
4.6
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ismail Tasdelen
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