Denial of Service Vulnerability in Dnss Domain Name Search Software by NSAuditor
CVE-2020-37196

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-2020-37196?

Dnss Domain Name Search Software is vulnerable to a denial of service attack caused by improperly handling oversized registration keys. An attacker can exploit this flaw by inserting a payload of up to 1000 characters into the registration key field, leading to an application crash. This vulnerability affects all versions of the software, making it essential for users to implement security measures to mitigate potential disruption.

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Deploy the Patch

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-2020-37196 - Proof of Concept

References

https://www.exploit-db.com/exploits/47856
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
JSON
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