vulnerability
ProFTP ProFTPd: CVE-2010-20103: Hidden Functionality
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 10 | (AV:N/AC:L/Au:N/C:C/I:C/A:C) | Aug 20, 2025 | Nov 6, 2025 | Nov 6, 2025 |
Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
Aug 20, 2025
Added
Nov 6, 2025
Modified
Nov 6, 2025
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.
Solution
proftp-proftpd-upgrade-latest
References
- CVE-2010-20103
- https://attackerkb.com/topics/CVE-2010-20103
- URL-http://www.proftpd.org/
- URL-https://advisories.checkpoint.com/defense/advisories/public/2011/cpai-2010-151.html/
- URL-https://github.com/proftpd/proftpd
- URL-https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/unix/ftp/proftpd_133c_backdoor.rb
- URL-https://web.archive.org/web/20111107212129/http://rsync.proftpd.org/
- URL-https://www.exploit-db.com/exploits/15662
- URL-https://www.exploit-db.com/exploits/16921
- URL-https://www.vulncheck.com/advisories/proftpd-backdoor-command-execution
- CWE-912
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