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.

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
.