How severe is CVE-2021-24010?

CVE-2021-24010 has a CVSS 3.x base score of 8.1, 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 none.

Is CVE-2021-24010 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-24010?

CVE-2021-24010 affects Fortinet Fortisandbox. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-24010?

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-2021-24010 published?

CVE-2021-24010 was published on 2021-08-04 and last updated on 2026-06-17.

CVE-2021-24010

CVE-2021-24010 is a high-severity vulnerability in Fortinet Fortisandbox with a CVSS 3.x base score of 8.1. 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 8.1)
CVSS v2: 4.0
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Fortinet Fortisandbox
Published: 2021-08-04
Last modified: 2026-06-17

Description

Improper limitation of a pathname to a restricted directory vulnerabilities in FortiSandbox 3.2.0 through 3.2.2, and 3.1.0 through 3.1.4 may allow an authenticated user to obtain unauthorized access to files and data via specifially crafted web requests.

Frequently asked questions

What is CVE-2021-24010?: Improper limitation of a pathname to a restricted directory vulnerabilities in FortiSandbox 3.2.0 through 3.2.2, and 3.1.0 through 3.1.4 may allow an authenticated user to obtain unauthorized access to files and data via specifially crafted web requests.
How severe is CVE-2021-24010?: CVE-2021-24010 has a CVSS 3.x base score of 8.1, 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 none.
Is CVE-2021-24010 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24010?: CVE-2021-24010 affects Fortinet Fortisandbox. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24010?: 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-2021-24010 published?: CVE-2021-24010 was published on 2021-08-04 and last updated on 2026-06-17.

References

https://fortiguard.com/advisory/FG-IR-20-202

Affected products (1)

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

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