What is CVE-2016-1463?

CVE-2016-1463 is a high-severity vulnerability in Cisco Firesight System Software, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2016-07-28.

How severe is CVE-2016-1463?

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

Improper input validation in Cisco Firesight System Software

CVE-2016-1463

Cisco FireSIGHT System Software 5.3.0, 5.3.1, 5.4.0, 6.0, and 6.0.1 allows remote attackers to bypass Snort rules via crafted parameters in the header of an HTTP packet, aka Bug ID CSCuz20737.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2016-07-28 · 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:H/A:N.

EPSS exploit prediction

EPSS: 0.021 (81.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000

Affected products

Cisco Firesight System Software — versions 5.3.0, 5.3.1, 5.4.0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.securitytracker.com/id/1036471 (vdb-entry)
www.securityfocus.com/bid/92152 (vdb-entry)
tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160727… (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2016-1463?: CVE-2016-1463 is a high-severity vulnerability in Cisco Firesight System Software, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2016-07-28.
How severe is CVE-2016-1463?: High severity. CVSS v3 base score is 7.5 out of 10.