CVE-2010-20103

CVE-2010-20103CVE-2010-20103

proftpd / proftpd

Description

A malicious backdoor was embedded in the official ProFTPD 1.3.3c source tarball distributed between November 28 and December 2, 2010. The backdoor implements a hidden FTP command trigger that, when invoked, causes the server to execute arbitrary shell commands with root privileges. This allows remote, unauthenticated attackers to run any OS command on the FTP server host.

Scoring

CVSS 9.8 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Last modified2026-07-15
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.