CVE-2020-22721: Pnotes.net Project Pnotes.net

High severity, CVSS 7.8. EPSS: 0.5% chance of exploitation in the next 30 days.

A File Upload Vulnerability in PNotes - Andrey Gruber PNotes.NET v3.8.1.2 allows a local attacker to execute arbitrary code via the Miscellaneous " External Programs by uploading the malicious .exe file to the external program.

Affected products

Published 2020-08-14. Last modified 2026-06-17.