CVE-2020-37131

Product Key Explorer 4.2.2.0 - 'Key' Denial of Service

Published Feb 5, 2026 CVSS 4.0 · 6.7 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Nsasoft
Nsasoft product Key Explorer
CPEs cpe:2.3:a:nsasoft:product_key_explorer:4.2.2.0:*:*:*:*:*:*:*
Vendors & Products Nsasoft
Nsasoft product Key Explorer
Type Values Removed Values Added
CPEs cpe:2.3:a:nsauditor:product_key_explorer:4.2.2.0:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Nsauditor
Nsauditor product Key Explorer
Vendors & Products Nsauditor
Nsauditor product Key Explorer
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Product Key Explorer 4.2.2.0 - 'Key' Denial of Service
Weaknesses CWE-120
References
Metrics cvssV3_1

{'score': 6.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 6.7, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Mar 5, 2026, 1:28 AM
Reserved
Feb 3, 2026, 4:27 PM
Status
Analyzed
Published
Feb 5, 2026, 5:16 PM
Modified
Jun 29, 2026, 6:29 PM