CVE-2020-22721

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-08-14 · updated 2026-06-17
Weakness: CWE-434

Description

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

Pnotes.Net Project Pnotes.Net: 3.8.1.2

References

https://syhack.wordpress.com/2020/04/18/pnotes-insecure-file-upload-vulnerability-code-execution/
https://syhack.wordpress.com/2020/04/18/pnotes-insecure-file-upload-vulnerability-code-execution/

Get alerted when CVE-2020-22721 or the next vulnerability affects your stack