Vulnerability Bulletins

Cisco Adaptive Security Appliance Software, Firepower Threat Defense Software, IOS Software, and IOS XE Software IPv6 DHCP (DHCPv6) Client Denial of Service Vulnerability


System information

   
Affected software Cisco

Description

A vulnerability in the IPv6 DHCP (DHCPv6) client module of Cisco Adaptive Security Appliance (ASA) Software, Cisco Firepower Threat Defense (FTD) Software, Cisco IOS Software, and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient validation of DHCPv6 messages. An attacker could exploit this vulnerability by sending crafted DHCPv6 messages to an affected device. A

More info:

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftdios-dhcpv6-cli-Zf3zTv?vs_f=Cisco%20Security%20Advisory&vs_cat=Security%20Intelligence&vs_type=RSS&vs_p=Cisco%20Adaptive%20Security%20Appliance%20Software,%20Firepower%20Threat%20Defense%20Software,%20IOS%20Software,%20and%20IOS%20XE%20Software%20IPv6%20DHCP%20(DHCPv6)%20Client%20Denial%20of%20Service%20Vulnerability&vs_k=1

Standar resources

Property Value
CVE CVE-2023-20081.

Version history

Version Comments Date
1.0 Advisory issued 2023-03-23
Ministerio de Defensa
CNI
CCN
CCN-CERT