What is CVE-2016-1367?

CVE-2016-1367 is a high-severity vulnerability in Cisco Adaptive Security Appliance Software, classified under CWE-399. CVSS score: 7.5/10. Published 2016-04-21.

How severe is CVE-2016-1367?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Cisco Adaptive Security Appliance Software

CVE-2016-1367

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.

Published 2016-04-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.019 (79.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000

Affected products

Cisco Adaptive Security Appliance Software — versions 9.4.1

Weakness classification (CWE)

CWE-399

References

www.securitytracker.com/id/1035635 (vdb-entry)
tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160420… (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2016-1367?: CVE-2016-1367 is a high-severity vulnerability in Cisco Adaptive Security Appliance Software, classified under CWE-399. CVSS score: 7.5/10. Published 2016-04-21.
How severe is CVE-2016-1367?: High severity. CVSS v3 base score is 7.5 out of 10.