CVE-2020-37131

MEDIUM 6.2

Product Key Explorer 4.2.2.0 - 'Key' Denial of Service

CVSS Score

6.2

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-120
Vendor	nsauditor
Product	product key explorer
Published	Feb 5, 2026
Last Updated	Mar 5, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Affected Versions

Nsauditor / Product Key Explorer

4.2.2.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/48284 nsauditor.com: http://www.nsauditor.com vulncheck.com: https://www.vulncheck.com/advisories/product-key-explorer-key-denial-of-service

Credits

0xMoHassan