CVE-2023-20080
Cisco IOS and IOS XE Software IPv6 DHCP (DHCPv6) Relay and Server Denial of Service Vulnerability
CVSS Score
8.6
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-129 |
| Vendor | cisco |
| Product | cisco ios |
| Ecosystems | |
| Industries | NetworkingTelecommunications |
| Published | Mar 23, 2023 |
| Last Updated | Oct 28, 2024 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
Cisco / Cisco IOS
n/a