The VSFTPD 2.3.4 vulnerability and exploit are still relevant today. While the vulnerability was patched over 10 years ago, many systems remain unpatched or vulnerable.
The information you are likely looking for refers to the famous vsftpd 2.3.4 backdoor exploit CVE-2011-2523 vsftpd 208 exploit github link
The exploit is often referred to as CVE-2011-3468 and has been widely publicized in the security community. A proof-of-concept exploit was even published on GitHub, making it easily accessible to malicious actors. The VSFTPD 2
The impact of the vulnerability and the exploit was significant. Because VSFTPD was (and still is) widely used, the vulnerability affected a large number of systems. The exploit was easy to use and required minimal technical expertise, making it accessible to a wide range of attackers. A proof-of-concept exploit was even published on GitHub,
ftp 192.168.1.160