How severe is CVE-2019-16150?

CVE-2019-16150 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-16150 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-16150?

CVE-2019-16150 affects Fortinet Forticlient. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-16150?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-16150 published?

CVE-2019-16150 was published on 2020-06-04 and last updated on 2026-06-17.

CVE-2019-16150

CVE-2019-16150 is a medium-severity vulnerability in Fortinet Forticlient with a CVSS 3.x base score of 5.5. 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: Medium (CVSS 3.x base score 5.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Fortinet Forticlient
Published: 2020-06-04
Last modified: 2026-06-17

Description

Use of a hard-coded cryptographic key to encrypt security sensitive data in local storage and configuration in FortiClient for Windows prior to 6.4.0 may allow an attacker with access to the local storage or the configuration backup file to decrypt the sensitive data via knowledge of the hard-coded key.

Frequently asked questions

What is CVE-2019-16150?: Use of a hard-coded cryptographic key to encrypt security sensitive data in local storage and configuration in FortiClient for Windows prior to 6.4.0 may allow an attacker with access to the local storage or the configuration backup file to decrypt the sensitive data via knowledge of the hard-coded key.
How severe is CVE-2019-16150?: CVE-2019-16150 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-16150 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-16150?: CVE-2019-16150 affects Fortinet Forticlient. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-16150?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-16150 published?: CVE-2019-16150 was published on 2020-06-04 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-19-194

Affected products (1)

cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*

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