CVE-2024-20259

CVSS 3.1 Score 8.6 of 10 (high)

Details

Published Mar 27, 2024
CWE ID 122

Summary

CVE-2024-20259 is a vulnerability in the DHCP snooping feature of Cisco IOS XE Software that could allow an unauthenticated, remote attacker to cause an affected device to unexpectedly reload, resulting in a denial of service (DoS) condition. The vulnerability is due to mishandling of a crafted IPv4 DHCP request packet when endpoint analytics are enabled. An attacker can exploit this vulnerability by sending a crafted DHCP request through an affected device, causing it to reload and leading to a DoS condition. The attack vector is listed as network because a DHCP relay anywhere on the network could allow exploits from networks other than the adjacent one. The vulnerability affects multiple products and can be remediated by applying the necessary software updates released by Cisco. It poses a high danger to organizations as it can lead to service disruption and impact the availability of affected devices.

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