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CVE-2010-20103 – ProFTPD Backdoor Command Injection Vulnerability

The following table lists the changes that have been made to the
CVE-2010-20103 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Aug. 20, 2025

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CWE CWE-912
    Added Reference http://www.proftpd.org/
    Added Reference https://advisories.checkpoint.com/defense/advisories/public/2011/cpai-2010-151.html/
    Added Reference https://github.com/proftpd/proftpd
    Added Reference https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/unix/ftp/proftpd_133c_backdoor.rb
    Added Reference https://web.archive.org/web/20111107212129/http://rsync.proftpd.org/
    Added Reference https://www.exploit-db.com/exploits/15662
    Added Reference https://www.exploit-db.com/exploits/16921
    Added Reference https://www.vulncheck.com/advisories/proftpd-backdoor-command-execution
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