CVE-2023-20080

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.

Severity	HIGH
CVSS	8.6
CWE	CWE-129
KEV
Published	3 years ago
Modified	1 year ago

Related Products

Product	Advisory	Evidence
Cisco IOS	cisco-sa-ios-dhcpv6-dos-44cMvdDK	Cisco OpenVuln
Cisco IOS XE Software	cisco-sa-ios-dhcpv6-dos-44cMvdDK	Cisco OpenVuln
Cisco Catalyst 9600 Series Switches	cisco-sa-ios-dhcpv6-dos-44cMvdDK	Cisco OpenVuln · software-dependent
Cisco Catalyst 9500 Series Switches	cisco-sa-ios-dhcpv6-dos-44cMvdDK	Cisco OpenVuln · software-dependent
Cisco Catalyst 9400 Series Switches	cisco-sa-ios-dhcpv6-dos-44cMvdDK	Cisco OpenVuln · software-dependent
Cisco Catalyst 9200 Series Switches	cisco-sa-ios-dhcpv6-dos-44cMvdDK	Cisco OpenVuln · software-dependent
Cisco Catalyst 9300 Series Switches	cisco-sa-ios-dhcpv6-dos-44cMvdDK	Cisco OpenVuln · software-dependent