How severe is CVE-2023-37930?

CVE-2023-37930 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-37930 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-37930?

CVE-2023-37930 primarily affects Fortinet Fortios. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-37930?

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.

Does CVE-2023-37930 have an EU (EUVD) identifier?

Yes. CVE-2023-37930 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-41783.

When was CVE-2023-37930 published?

CVE-2023-37930 was published on 2025-04-08 and last updated on 2026-06-17.

CVE-2023-37930

CVE-2023-37930 is a high-severity vulnerability in Fortinet Fortios with a CVSS 3.x base score of 7.5. 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-908.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-41783
Weakness: CWE-908
Affected product: Fortinet Fortios
Published: 2025-04-08
Last modified: 2026-06-17

Description

Multiple issues including the use of uninitialized ressources [CWE-908] and excessive iteration [CWE-834] vulnerabilities vulnerability in Fortinet allows a VPN user to corrupt memory potentially leading to code or commands execution via specifically crafted requests.

Frequently asked questions

What is CVE-2023-37930?: Multiple issues including the use of uninitialized ressources [CWE-908] and excessive iteration [CWE-834] vulnerabilities vulnerability in Fortinet allows a VPN user to corrupt memory potentially leading to code or commands execution via specifically crafted requests.
How severe is CVE-2023-37930?: CVE-2023-37930 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-37930 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-37930?: CVE-2023-37930 primarily affects Fortinet Fortios. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-37930?: 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.
Does CVE-2023-37930 have an EU (EUVD) identifier?: Yes. CVE-2023-37930 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-41783.
When was CVE-2023-37930 published?: CVE-2023-37930 was published on 2025-04-08 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-23-165

Affected products (3)

cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:7.4.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*

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