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CVE-2010-20103
Published: Aug 20, 2025
Modified: Apr 7, 2026
PUBLISHED
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.
| Vendor | Product | Versions |
|---|---|---|
ProFTPD Project | ProFTPD (Professional FTP Daemon) | affected 1.3.3c |
Weaknesses (CWE)
References
https://web.archive.org/web/20111107212129/http://rsync.proftpd.org/
vendor-advisory
patch
http://www.proftpd.org/
product
https://www.vulncheck.com/advisories/proftpd-backdoor-command-execution
third-party-advisory
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