How severe is CVE-2023-37939?

CVE-2023-37939 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-37939 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-37939?

CVE-2023-37939 primarily affects Fortinet Forticlient. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-37939?

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

When was CVE-2023-37939 published?

CVE-2023-37939 was published on 2023-10-10 and last updated on 2026-06-17.

CVE-2023-37939

CVE-2023-37939 is a low-severity vulnerability in Fortinet Forticlient with a CVSS 3.x base score of 3.3. 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-200.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Fortinet Forticlient
Published: 2023-10-10
Last modified: 2026-06-17

Description

An exposure of sensitive information to an unauthorized actor vulnerability [CWE-200] in FortiClient for Windows 7.2.0, 7.0 all versions, 6.4 all versions, 6.2 all versions, Linux 7.2.0, 7.0 all versions, 6.4 all versions, 6.2 all versions and Mac 7.2.0 through 7.2.1, 7.0 all versions, 6.4 all versions, 6.2 all versions, may allow a local authenticated attacker with no Administrative privileges to retrieve the list of files or folders excluded from malware scanning.

Frequently asked questions

What is CVE-2023-37939?: An exposure of sensitive information to an unauthorized actor vulnerability [CWE-200] in FortiClient for Windows 7.2.0, 7.0 all versions, 6.4 all versions, 6.2 all versions, Linux 7.2.0, 7.0 all versions, 6.4 all versions, 6.2 all versions and Mac 7.2.0 through 7.2.1, 7.0 all versions, 6.4 all versions, 6.2 all versions, may allow a local authenticated attacker with no Administrative privileges to retrieve the list of files or folders excluded from malware scanning.
How severe is CVE-2023-37939?: CVE-2023-37939 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-37939 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-37939?: CVE-2023-37939 primarily affects Fortinet Forticlient. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-37939?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-37939 published?: CVE-2023-37939 was published on 2023-10-10 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-22-235

Affected products (7)

cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:linux:*:*
cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:macos:*:*
cpe:2.3:a:fortinet:forticlient:*:*:*:*:*:windows:*:*
cpe:2.3:a:fortinet:forticlient:7.2.0:*:*:*:*:linux:*:*
cpe:2.3:a:fortinet:forticlient:7.2.0:*:*:*:*:macos:*:*
cpe:2.3:a:fortinet:forticlient:7.2.0:*:*:*:*:windows:*:*
cpe:2.3:a:fortinet:forticlient:7.2.1:*:*:*:*:macos:*:*

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