Vsftpd 208 Exploit Github Link //free\\ Jun 2026

| Repository | Language / Tool | Description | |------------|----------------|-------------| | cowsecurity/CVE-2011-2523 | Python (pwntools) | Minimal Python exploit. Usage: python3 CVE-2011-2523.py <IP> <PORT> . | | Dahalsamir/CVE-2011-2523-exploit | Python (pwntools) | Educational exploit with version detection and interactive shell. | | ctrl‑sid2099/Vsftpd-2.3.4-Backdoor-Exploit | Python | Simple PoC script – prompts for target IP, triggers backdoor, opens shell. | | ByteForgeFr/CVE-2011-2523 | Python | Installation via git clone ; uses pwntools and argparse . | | lRods/metasploit-vsftpd-backdoor | Ruby + Metasploit | Simulates the backdoor logic in Ruby and provides a Metasploit lab environment. | | Pey-B/VSFTPD-Backdoor-Exploit-Lab | Lab guide | Complete lab environment: Nmap enumeration, Metasploit exploitation, Wireshark analysis. | | dgrbch1/Exploits | HTML + GIFs | Step‑by‑step visual demonstration of Metasploit exploitation (educational). | | aparnaa19/CVE-Exploits-on-Metasploitable2 | Metasploit | Lab that covers VSFTPD backdoor alongside other vulnerabilities. |

Because the official repository was compromised, many Linux distributions and users unknowingly downloaded and deployed the backdoored software. Although the malicious package was removed within a few days, the vulnerability remains a legendary example of a supply chain attack. 2. Technical Breakdown: How It Works

The (often mistakenly referred to as "208" due to its association with port 6200 or various exploit database IDs) is a famous historical vulnerability. In 2011, the source code for vsftpd version 2.3.4 was compromised on its master site and replaced with a version containing a backdoor. The Exploit Mechanism

if ((p_raw_buf[i] == ':') && (p_raw_buf[i+1] == ')')) vsf_sysutil_extra(); Use code with caution.

Because this vulnerability is over a decade old, it is widely used for educational purposes, penetration testing practice, and Capture The Flag (CTF) competitions. You can find numerous implementations of this exploit on GitHub by searching for: vsftpd-2.3.4-exploit CVE-2011-2523 Python Metasploit vsftpd_234_backdoor Standard Python Implementation Structure

Because this vulnerability is over a decade old, it is primarily used today for educational purposes, Capture The Flag (CTF) competitions, and penetration testing practice (such as on Metasploitable 2). Metasploit Framework