How severe is CVE-2022-42470?

CVE-2022-42470 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-2022-42470 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-42470?

CVE-2022-42470 affects Fortinet Forticlient. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-42470?

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-2022-42470 published?

CVE-2022-42470 was published on 2023-04-11 and last updated on 2026-06-17.

CVE-2022-42470

CVE-2022-42470 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. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Fortinet Forticlient
Published: 2023-04-11
Last modified: 2026-06-17

Description

A relative path traversal vulnerability in Fortinet FortiClient (Windows) 7.0.0 - 7.0.7, 6.4.0 - 6.4.9, 6.2.0 - 6.2.9 and 6.0.0 - 6.0.10 allows an attacker to execute unauthorized code or commands via sending a crafted request to a specific named pipe.

Frequently asked questions

What is CVE-2022-42470?: A relative path traversal vulnerability in Fortinet FortiClient (Windows) 7.0.0 - 7.0.7, 6.4.0 - 6.4.9, 6.2.0 - 6.2.9 and 6.0.0 - 6.0.10 allows an attacker to execute unauthorized code or commands via sending a crafted request to a specific named pipe.
How severe is CVE-2022-42470?: CVE-2022-42470 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-2022-42470 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-42470?: CVE-2022-42470 affects Fortinet Forticlient. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-42470?: 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-2022-42470 published?: CVE-2022-42470 was published on 2023-04-11 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-22-320

Affected products (1)

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

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