CVE-2023-20080 (ios, ios_xe) | allinfosecnews.com

March 23, 2023, 5:15 p.m. |

National Vulnerability Database web.nvd.nist.gov

A vulnerability in the IPv6 DHCP version 6 (DHCPv6) relay and server features of Cisco IOS and IOS XE Software could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition. This vulnerability is due to insufficient validation of data boundaries. An attacker could exploit this vulnerability by sending crafted DHCPv6 messages to an affected device. A successful exploit could allow the attacker to cause the device to reload unexpectedly.

cisco cisco ios cve data denial of service device dhcp dhcpv6 dos exploit features ios ipv6 messages relay server service software trigger validation version vulnerability

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