CVE-2020-37131 MEDIUM

CVE-2020-37131: Product Key Explorer 4.2.2.0 - 'Key' Denial of Service

Vendor Nsauditor
Product Product Key Explorer
Weakness CWE-120
Published February 5, 2026
Last update March 5, 2026

CVSS base score

6.7/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

Nsauditor Product Key Explorer 4.2.2.0 contains a denial of service vulnerability that allows local attackers to crash the application by inputting a specially crafted registration key. Attackers can generate a payload of 1000 bytes of repeated characters and paste it into the 'Key' input field to trigger the application crash.

Key dates

02Disclosure timeline

February 5, 2026 CVE published
March 5, 2026 Record updated