CVE-2024-20321

Summary

CVE-2024-20321 is a denial-of-service vulnerability affecting Cisco NX-OS Software's External Border Gateway Protocol (eBGP) implementation. This issue arises due to eBGP traffic being routed to a shared hardware rate-limiter queue. An unauthenticated, remote attacker can exploit this vulnerability by flooding an affected device with specific network traffic. Successful exploitation can result in dropped eBGP neighbor sessions and a network-wide denial-of-service condition.

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