How severe is CVE-2024-31491?

CVE-2024-31491 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-31491 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-31491?

CVE-2024-31491 affects Fortinet Fortisandbox. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-31491?

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-2024-31491 have an EU (EUVD) identifier?

Yes. CVE-2024-31491 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-29371.

When was CVE-2024-31491 published?

CVE-2024-31491 was published on 2024-05-14 and last updated on 2026-06-17.

CVE-2024-31491

CVE-2024-31491 is a high-severity vulnerability in Fortinet Fortisandbox with a CVSS 3.x base score of 8.8. 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-602.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-29371
Weakness: CWE-602
Affected product: Fortinet Fortisandbox
Published: 2024-05-14
Last modified: 2026-06-17

Description

A client-side enforcement of server-side security vulnerability in Fortinet FortiSandbox 4.4.0 through 4.4.4, FortiSandbox 4.2.1 through 4.2.6 allows attacker to execute unauthorized code or commands via HTTP requests.

Frequently asked questions

What is CVE-2024-31491?: A client-side enforcement of server-side security vulnerability in Fortinet FortiSandbox 4.4.0 through 4.4.4, FortiSandbox 4.2.1 through 4.2.6 allows attacker to execute unauthorized code or commands via HTTP requests.
How severe is CVE-2024-31491?: CVE-2024-31491 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-31491 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-31491?: CVE-2024-31491 affects Fortinet Fortisandbox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-31491?: 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-2024-31491 have an EU (EUVD) identifier?: Yes. CVE-2024-31491 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-29371.
When was CVE-2024-31491 published?: CVE-2024-31491 was published on 2024-05-14 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-24-054

Affected products (1)

cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:*

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