What is CVE-2016-8492?

CVE-2016-8492 is a medium-severity vulnerability in Fortinet Fortigate, classified under Information Disclosure. CVSS score: 5.9/10. Published 2017-02-08.

How severe is CVE-2016-8492?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Information disclosure in Fortinet Fortigate

CVE-2016-8492

The implementation of an ANSI X9.31 RNG in Fortinet FortiGate allows attackers to gain unauthorized read access to data handled by the device via IPSec/TLS decryption.

Vulnerability class: Information Disclosure

Published 2017-02-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.014 (71.8th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Fortinet Fortigate — versions Before 5.0
Fortinet Fortios — versions 4.3.0, 4.3.10, 4.3.12

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.securityfocus.com/bid/94480 (VDB Entry, Third Party Advisory, vdb-entry)
fortiguard.com/advisory/FG-IR-16-067 (Vendor Advisory)

Frequently asked questions

What is CVE-2016-8492?: CVE-2016-8492 is a medium-severity vulnerability in Fortinet Fortigate, classified under Information Disclosure. CVSS score: 5.9/10. Published 2017-02-08.
How severe is CVE-2016-8492?: Medium severity. CVSS v3 base score is 5.9 out of 10.