CVE-2021-40239: Miniftpd Project Miniftpd

Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days.

A Buffer Overflow vulnerability exists in the latest version of Miniftpd in the do_retr function in ftpproto.c

Affected products

• Miniftpd Project Miniftpd: version 1.0 only

Published 2021-10-11. Last modified 2026-06-17.