Version 2.0.8 is prominent in security research not because of a built-in backdoor, but because it is a common target in the Stapler 1 machine on VulnHub.
/* chroot() to the user's home directory */ if (chroot(jail_dir) != 0) + syslog(LOG_ERR, "chroot() failed"); perror("chroot()"); exit(1); vsftpd 208 exploit github fix
# Disable anonymous uploads anonymous_enable=NO Version 2
for strange usernames containing :)