What is CVE-2019-6696?

CVE-2019-6696 is a medium-severity vulnerability in Fortinet Fortios, classified under Improper Input Validation. CVSS score: 6.1/10. Published 2020-03-15.

How severe is CVE-2019-6696?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Open Redirect in Fortinet Fortios

CVE-2019-6696

An improper input validation vulnerability in FortiOS 6.2.1, 6.2.0, 6.0.8 and below until 5.4.0 under admin webUI may allow an attacker to perform an URL redirect attack via a specifically crafted request to the admin initial password change webpage.

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

Published 2020-03-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (51.2th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Fortinet Fortios — versions 6.2.1, 6.2.0, 6.0.8 and below until 5.4.0
Fortinet Fortios — versions 6.2.0, 6.2.1

Weakness classification (CWE)

References

fortiguard.com/psirt/FG-IR-19-179 (Vendor Advisory)

Frequently asked questions

What is CVE-2019-6696?: CVE-2019-6696 is a medium-severity vulnerability in Fortinet Fortios, classified under Improper Input Validation. CVSS score: 6.1/10. Published 2020-03-15.
How severe is CVE-2019-6696?: Medium severity. CVSS v3 base score is 6.1 out of 10.