发布于3月6日3月6日 Members Cisco IOS: CVE-2023-20080: Cisco IOS and IOS XE Software IPv6 DHCP (DHCPv6) Relay and Server Denial of Service Vulnerability Severity 8 CVSS (AV:N/AC:L/Au:N/C:N/I:N/A:C) Published 03/22/2023 Created 03/24/2023 Added 03/23/2023 Modified 11/13/2024 Description 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. Solution(s) cisco-ios-upgrade-latest References https://attackerkb.com/topics/cve-2023-20080 CVE - 2023-20080 https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-dhcpv6-dos-44cMvdDK cisco-sa-ios-dhcpv6-dos-44cMvdDK
