This is minor exploit - usually you set up VLAN1 interface with IP addres, which is filterd out from outside. Moreover, there is not any good way to find switch IP - it is transparent for user's devices.
> > On Mon, 7 Jun 2004, McBurnett, Jim wrote: > > Aside from that, Use ACL's out the wazoo on the VTY lines and limit access to > > that to say 1 SSH enabled router or 1 IPSEC enabled router... > > It doesn't really matter if you use SSH, Telnet or HTTP; if you can send > evil packets to the router/switch and it falls over and dies. > > http://www.cisco.com/warp/public/707/cisco-sa-20040609-catos.shtml > > IP Permit Lists will not provide any mitigation against this vulnerability. > > The race is on, who will find your switches first? >