What is CVE-2018-9185?

CVE-2018-9185 is a high-severity vulnerability in Fortinet Fortios, classified under Information Disclosure. CVSS score: 8.1/10. Published 2018-07-05.

How severe is CVE-2018-9185?

High severity. CVSS v3 base score is 8.1 out of 10.

Information disclosure in Fortinet Fortios

CVE-2018-9185

An information disclosure vulnerability in Fortinet FortiOS 6.0.0 and below versions reveals user's web portal login credentials in a Javascript file sent to client-side when pages bookmarked in web portal use the Single Sign-On feature.

Vulnerability class: Information Disclosure

Published 2018-07-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

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

Fortinet Fortios — versions FortiOS 6.0.0 and below
Fortinet Fortios

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.securityfocus.com/bid/104535 (VDB Entry, Third Party Advisory, vdb-entry)
www.securitytracker.com/id/1041186 (VDB Entry, Third Party Advisory, vdb-entry)
fortiguard.com/advisory/FG-IR-18-027 (Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2018-9185?: CVE-2018-9185 is a high-severity vulnerability in Fortinet Fortios, classified under Information Disclosure. CVSS score: 8.1/10. Published 2018-07-05.
How severe is CVE-2018-9185?: High severity. CVSS v3 base score is 8.1 out of 10.