What is CVE-2017-3814?

CVE-2017-3814 is a medium-severity vulnerability in Cisco Secure Firewall Management Center, classified under Improper Input Validation. CVSS score: 5.8/10. Published 2017-02-03.

How severe is CVE-2017-3814?

Medium severity. CVSS v3 base score is 5.8 out of 10.

Improper input validation in Cisco Secure Firewall Management Center

CVE-2017-3814

A vulnerability in Cisco Firepower System Software could allow an unauthenticated, remote attacker to maliciously bypass the appliance's ability to block certain web content, aka a URL Bypass. More Information: CSCvb93980. Known Affected Releases: 5.3.0 5.4.0 6.0.0 6.0.1 6.1.0.

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

Published 2017-02-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.019 (78.4th percentile), scored 2026-10-07.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.4% 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 Secure Firewall Management Center — versions 5.3.0, 5.4.0, 6.0.0
Cisco Firepower System Software 5.x 6.x — versions Cisco Firepower System Software 5.x 6.x

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170201… (Vendor Advisory)
www.securityfocus.com/bid/95942 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2017-3814?: CVE-2017-3814 is a medium-severity vulnerability in Cisco Secure Firewall Management Center, classified under Improper Input Validation. CVSS score: 5.8/10. Published 2017-02-03.
How severe is CVE-2017-3814?: Medium severity. CVSS v3 base score is 5.8 out of 10.