How severe is CVE-2023-22635?

CVE-2023-22635 has a CVSS 3.x base score of 7.3, 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 low.

Is CVE-2023-22635 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-22635?

CVE-2023-22635 affects Fortinet Forticlient. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-22635?

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-2023-22635 published?

CVE-2023-22635 was published on 2023-04-11 and last updated on 2026-06-17.

CVE-2023-22635

CVE-2023-22635 is a high-severity vulnerability in Fortinet Forticlient with a CVSS 3.x base score of 7.3. 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-494.

Key facts

Severity: High (CVSS 3.x base score 7.3)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-494
Affected product: Fortinet Forticlient
Published: 2023-04-11
Last modified: 2026-06-17

Description

A download of code without Integrity check vulnerability [CWE-494] in FortiClientMac version 7.0.0 through 7.0.7, 6.4 all versions, 6.2 all versions, 6.0 all versions, 5.6 all versions, 5.4 all versions, 5.2 all versions, 5.0 all versions and 4.0 all versions may allow a local attacker to escalate their privileges via modifying the installer upon upgrade.

Frequently asked questions

What is CVE-2023-22635?: A download of code without Integrity check vulnerability [CWE-494] in FortiClientMac version 7.0.0 through 7.0.7, 6.4 all versions, 6.2 all versions, 6.0 all versions, 5.6 all versions, 5.4 all versions, 5.2 all versions, 5.0 all versions and 4.0 all versions may allow a local attacker to escalate their privileges via modifying the installer upon upgrade.
How severe is CVE-2023-22635?: CVE-2023-22635 has a CVSS 3.x base score of 7.3, 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 low.
Is CVE-2023-22635 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-22635?: CVE-2023-22635 affects Fortinet Forticlient. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-22635?: 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-2023-22635 published?: CVE-2023-22635 was published on 2023-04-11 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-22-481

Affected products (1)

cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:macos:*:*

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