VAR-200110-0004

Vulnerability from variot - Updated: 2023-12-18 13:26

Cisco IOS 12.2 and earlier running Cisco Discovery Protocol (CDP) allows remote attackers to cause a denial of service (memory consumption) via a flood of CDP neighbor announcements. The Cisco IOS contains a denial-of-service vulnerability that allows nearby remote attackers to crash or temporarily disable affected network devices. CDP is implemented with some releases of the Cisco Internet Operating System. It is possible for a host on a local segment of network to cause a Cisco router to become unstable, and potentially stop routing traffic by generating large amounts of CDP traffic. This protocol can not be routed across routers to remote network segments. This could lead to the ceasing of operation of Cisco routers, and a denial of service

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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