CVE-2020-37131CWE-120

Product Key Explorer 4.2.2.0 - 'Key' Denial of Service

Medium · published February 5, 2026

CVSS v4.0
6.7
EPSS
0%
Percentile
17.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.7 · MEDIUM
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
EPSS
0.00265 · 17.4th percentile
Weakness
CWE-120 · Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Published
2026-02-05T16:13Z
EPSS history
Timeline
  • 05 FEB 16:13Z
    Product Key Explorer 4.2.2.0 - 'Key' Denial of Service
    cvelistv5