CVE-2016-1367 Denial of service in n/a
Remote attackers can cause a device reload in Cisco ASA software by sending crafted DHCPv6 packets, resulting in a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2016-1367?
CVE-2016-1367 is a high-severity denial of service vulnerability in Cisco Adaptive Security Appliance Software, published on 21 Apr 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-399
Which versions are affected by CVE-2016-1367?
It affects 1 product.
Products include Cisco Adaptive Security Appliance Software.
How do I fix CVE-2016-1367?
No fix has been published for CVE-2016-1367 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2016-1367 being exploited?
There is no known exploitation of CVE-2016-1367 in the wild and no public exploit code.
Other vulnerabilities in Cisco Adaptive Security Appliance Software
- CVE-2025-20333 Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Buffer Overflow
- CVE-2016-6366 Cisco Adaptive Security Appliance (ASA) SNMP Buffer Overflow
- CVE-2026-20349 Cisco Secure Firewall Adaptive Security Appliance (ASA) and Secure Firewall Threat Defense (FTD) Heap Inspection
- CVE-2024-20353 Cisco ASA and FTD Denial of Service
- CVE-2016-6367 Cisco Adaptive Security Appliance (ASA) CLI Remote Code Execution
All Cisco Adaptive Security Appliance Software vulnerabilities
Sources
Also known as GHSA-548p-w9c9-gw4q.