VID |
29158 |
Severity |
30 |
Port |
22 |
Protocol |
TCP |
Class |
CISCO |
Detailed Description |
The CISCO IOS system does not disable CDP service. The Cisco Discovery Protocol(CDP) is a proprietary protocol that Cisco devices use to identify each other on a LAN segment. It is useful only in specialized situations, and is considered to be a security risk. There have been published denial of service attacks that use CDP. CDP should be completely disabled unless there is a need for it.
* Platforms Affected: CISCO IOS |
Recommendation |
Disable CDP service as follows : Router# config terminal Router(config)# no cdp run
or on each interface : Router# config terminal Router(config)# interface FastEthernet0/1 Router(config-if)# no cdp enable |
Related URL |
(CVE) |
Related URL |
(SecurityFocus) |
Related URL |
(ISS) |
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