How severe is CVE-2021-43065?

CVE-2021-43065 has a CVSS 3.x base score of 7.8, 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 high.

Is CVE-2021-43065 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-43065?

CVE-2021-43065 primarily affects Fortinet Fortinac. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-43065?

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-2021-43065 published?

CVE-2021-43065 was published on 2021-12-09 and last updated on 2026-06-17.

CVE-2021-43065

CVE-2021-43065 is a high-severity vulnerability in Fortinet Fortinac with a CVSS 3.x base score of 7.8. 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-732.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-732
Affected product: Fortinet Fortinac
Published: 2021-12-09
Last modified: 2026-06-17

Description

A incorrect permission assignment for critical resource in Fortinet FortiNAC version 9.2.0, version 9.1.3 and below, version 8.8.9 and below allows attacker to gain higher privileges via the access to sensitive system data.

Frequently asked questions

What is CVE-2021-43065?: A incorrect permission assignment for critical resource in Fortinet FortiNAC version 9.2.0, version 9.1.3 and below, version 8.8.9 and below allows attacker to gain higher privileges via the access to sensitive system data.
How severe is CVE-2021-43065?: CVE-2021-43065 has a CVSS 3.x base score of 7.8, 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 high.
Is CVE-2021-43065 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-43065?: CVE-2021-43065 primarily affects Fortinet Fortinac. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-43065?: 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-2021-43065 published?: CVE-2021-43065 was published on 2021-12-09 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:fortinet:fortinac:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortinac:9.2.0:*:*:*:*:*:*:*

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