CVE-2021-47794: Zesle Zeslecp

High severity, CVSS 8.8. EPSS: 1% chance of exploitation in the next 30 days.

ZesleCP 3.1.9 contains an authenticated remote code execution vulnerability that allows attackers to create malicious FTP accounts with shell injection payloads. Attackers can exploit the FTP account creation endpoint by injecting a reverse shell command that establishes a network connection to a specified listening host.

Affected products

• Zesle Zeslecp: up to and including 3.1.9

Published 2026-01-16. Last modified 2026-06-17.