CVE-2020-11705: Provideserver Provide FTP Server

Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days.

An issue was discovered in ProVide (formerly zFTPServer) through 13.1. /ajax/ImportCertificate allows an attacker to load an arbitrary certificate in .pfx format or overwrite arbitrary files via the fileName parameter.

Affected products

• Provideserver Provide FTP Server: up to and including 13.1

Published 2020-04-12. Last modified 2026-06-17.