How severe is CVE-2018-9193?

CVE-2018-9193 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-9193 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-9193?

CVE-2018-9193 affects Fortinet Forticlient. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-9193?

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

When was CVE-2018-9193 published?

CVE-2018-9193 was published on 2019-05-30 and last updated on 2026-06-17.

CVE-2018-9193

CVE-2018-9193 is a high-severity vulnerability in Fortinet Forticlient with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Fortinet Forticlient
Published: 2019-05-30
Last modified: 2026-06-17

Description

A researcher has disclosed several vulnerabilities against FortiClient for Windows version 6.0.5 and below, version 5.6.6, the combination of these vulnerabilities can turn into an exploit chain, which allows a user to gain system privileges on Microsoft Windows.

Frequently asked questions

What is CVE-2018-9193?: A researcher has disclosed several vulnerabilities against FortiClient for Windows version 6.0.5 and below, version 5.6.6, the combination of these vulnerabilities can turn into an exploit chain, which allows a user to gain system privileges on Microsoft Windows.
How severe is CVE-2018-9193?: CVE-2018-9193 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-9193 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-9193?: CVE-2018-9193 affects Fortinet Forticlient. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-9193?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-9193 published?: CVE-2018-9193 was published on 2019-05-30 and last updated on 2026-06-17.

References

https://fortiguard.com/advisory/FG-IR-18-108

Affected products (1)

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

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