What is CVE-2016-1312?

CVE-2016-1312 is a high-severity vulnerability in Cisco Asa 5500 Csc-Ssm, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2016-03-09.

How severe is CVE-2016-1312?

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

Buffer overflow in Cisco Asa 5500 Csc-Ssm

CVE-2016-1312

The HTTPS inspection engine in the Content Security and Control Security Services Module (CSC-SSM) 6.6 before 6.6.1164.0 for Cisco ASA 5500 devices allows remote attackers to cause a denial of service (memory consumption or device reload) via a flood of HTTPS packets, aka Bug ID CSCue76147.

Vulnerability class: Buffer Overflow

Published 2016-03-09 · 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: 0.029 (86.3th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000

Affected products

Cisco Asa 5500 Csc-Ssm
Cisco Asa 5500 Csc-Ssm Firmware — versions 6.6.1125.0

Weakness classification (CWE)

References

www.securityfocus.com/bid/84281 (vdb-entry)
tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160309… (vendor-advisory, Vendor Advisory)
www.securitytracker.com/id/1035230 (vdb-entry)

Frequently asked questions

What is CVE-2016-1312?: CVE-2016-1312 is a high-severity vulnerability in Cisco Asa 5500 Csc-Ssm, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2016-03-09.
How severe is CVE-2016-1312?: High severity. CVSS v3 base score is 7.5 out of 10.