CVE-2016-1367: Cisco Adaptive Security Appliance Software

High severity, CVSS 7.5. EPSS: 1.9% chance of exploitation in the next 30 days.

The DHCPv6 relay implementation in Cisco Adaptive Security Appliance (ASA) Software 9.4.1 allows remote attackers to cause a denial of service (device reload) via crafted DHCPv6 packets, aka Bug ID CSCus23248.

Affected products

• Cisco Adaptive Security Appliance Software: version 9.4.1 only

Published 2016-04-21. Last modified 2026-06-17.