Undocument bug on Cisco CSS series 11000 with Webns 8.20.0.1 Cisco CSS series 11000 with webns system and ssh daemon crash on ssh crc32 old 2001 exploit Cisco CSS : Webns Version: 08.20.0.01 (using command sh ver) SSH Version: SSHield version 1.6.1, SSH version OpenSSH_3.0.2p1 (using command sh sshd version) CSS is default configured with max 5 concurrency session with old shack exploit css does not relase connection and when it get 5 connection it crashes with no other possibility of connection Alessandro Fiorenzi aka NetExpress