CVE-2020-37131

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.

CVSS v3 6.2 MEDIUM

6.2^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.5 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
http://www.nsauditor.com	Product
https://www.exploit-db.com/exploits/48284	Exploit VDB Entry
https://www.vulncheck.com/advisories/product-key-explorer-key-denial-of-service	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:nsasoft:product_key_explorer:4.2.2.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-02-05 17:16

Updated : 2026-03-26 18:03

NVD link : CVE-2020-37131

Mitre link : CVE-2020-37131

CVE.ORG link : CVE-2020-37131

JSON object : View

Products Affected

nsasoft

product_key_explorer

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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