Skip to content
fr Sign in
8.6 High

CVE-2023-20080 A vulnerability in the IPv6 DHCP version 6 (DHCPv6) relay and server features of Cisco IOS and IOS XE Software could…

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.

Affected products and versions

Product Affected versions Fixed in
Cisco IOS Versions not published

References

Timeline

  1. Published
  2. Last modified

Other CVEs of Cisco IOS

The 36 CVEs of Cisco IOS →
CVE-2023-20081 A vulnerability in the IPv6 DHCP (DHCPv6) client module of Cisco Adaptive Security Appliance (ASA) Software, Cisco… 6.8 Medium CVE-2023-20076 A vulnerability in the Cisco IOx application hosting environment could allow an authenticated, remote attacker to… 7.2 High CVE-2022-20920 A vulnerability in the SSH implementation of Cisco IOS Software and Cisco IOS XE Software could allow an… 7.7 High CVE-2022-20919 A vulnerability in the processing of malformed Common Industrial Protocol (CIP) packets that are sent to Cisco IOS… 8.6 High
Track this CVE