CVE-2021-30175: Zerof Web Server

Critical severity, CVSS 9.8. EPSS: 8.5% chance of exploitation in the next 30 days.

ZEROF Web Server 1.0 (April 2021) allows SQL Injection via the /HandleEvent endpoint for the login page.

Affected products

• Zerof Web Server: version 1.0 only

Published 2021-04-13. Last modified 2026-06-17.