How severe is CVE-2019-16153?

CVE-2019-16153 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-16153 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-16153?

CVE-2019-16153 affects Fortinet Fortisiem. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-16153?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-16153 published?

CVE-2019-16153 was published on 2020-01-23 and last updated on 2026-06-17.

CVE-2019-16153

CVE-2019-16153 is a critical-severity vulnerability in Fortinet Fortisiem with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Fortinet Fortisiem
Published: 2020-01-23
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2019-16153?: CVE-2019-16153 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-16153 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-16153?: CVE-2019-16153 affects Fortinet Fortisiem. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-16153?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-16153 published?: CVE-2019-16153 was published on 2020-01-23 and last updated on 2026-06-17.

References

https://fortiguard.com/advisory/FG-IR-19-195

Affected products (1)

cpe:2.3:a:fortinet:fortisiem:*:*:*:*:*:*:*:*

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