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VID 29148
Severity 40
Port 22
Protocol TCP
Class CISCO
Detailed Description The CISCO IOS system does not apply Session Timeout. If administrator is out without disconnecting sessions after login to a network device, anyone can attempt unlawful act through the terminal which is connected to the system. Disconnecting sessions after a fixed idle time is needed.

* Platforms Affected:
CISCO IOS
Recommendation Set Session Timeout to 5 minutes as follows :

1. Console
Router# config terminal
Router(config)# line con 0
Router(config-line)# exec-timeout 5 0

2. VTY
Router# config terminal
Router(config)# line vty 0 4
Router(config-line)# exec-timeout 5 0

3. AUX
Router# config terminal
Router(config)# line aux 0
Router(config-line)# exec-timeout 5 0
Related URL (CVE)
Related URL (SecurityFocus)
Related URL (ISS)