CVE-2020-37131: Nsasoft Product Key Explorer

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Nsasoft Product Key Explorer: version 4.2.2.0 only

Published 2026-02-05. Last modified 2026-06-29.