What is CVE-2019-16153?

CVE-2019-16153 is a critical-severity vulnerability in Fortinet Fortisiem, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2020-01-23.

How severe is CVE-2019-16153?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2019-16153 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Fortinet Fortisiem

CVE-2019-16153

A hard-coded password vulnerability in the Fortinet FortiSIEM database component version 5.2.5 and below may allow attackers to access the device database via the use of static credentials.

Published 2020-01-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (65.6th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 65.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Fortinet Fortisiem — versions FortiSIEM 5.2.5 and below
Fortinet Fortisiem

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

fortiguard.com/advisory/FG-IR-19-195 (Vendor Advisory)

Frequently asked questions

What is CVE-2019-16153?: CVE-2019-16153 is a critical-severity vulnerability in Fortinet Fortisiem, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2020-01-23.
How severe is CVE-2019-16153?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2019-16153 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.