Denial of Service Vulnerability in Nsauditor Product Key Explorer
CVE-2020-37131

6.7MEDIUM

Key Information:

Vendor

Nsauditor

Status
Product Key Explorer
Vendor
CVE Published:
5 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2020-37131?

Nsauditor Product Key Explorer version 4.2.2.0 contains a vulnerability that allows local attackers to cause a denial of service. By inputting a specially crafted registration key, an attacker can trigger an application crash. Specifically, sending a payload of repeated characters through the 'Key' input field impacts application stability, making it critical for users to exercise caution when handling registration inputs.

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Affected Version(s)

Product Key Explorer 4.2.2.0

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-2020-37131 - Proof of Concept

References

https://www.exploit-db.com/exploits/48284
exploit
http://www.nsauditor.com
product
https://www.vulncheck.com/advisories/product-key-explorer...
third-party-advisory

CVSS V4

Score:
6.7
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
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

0xMoHassan
JSON
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