How severe is CVE-2022-43951?

CVE-2022-43951 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2022-43951 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-43951?

CVE-2022-43951 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-2022-43951?

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

When was CVE-2022-43951 published?

CVE-2022-43951 was published on 2023-04-11 and last updated on 2026-06-17.

CVE-2022-43951

CVE-2022-43951 is a medium-severity vulnerability in Fortinet Fortinac with a CVSS 3.x base score of 5.3. 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: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Fortinet Fortinac
Published: 2023-04-11
Last modified: 2026-06-17

Description

An exposure of sensitive information to an unauthorized actor vulnerability [CWE-200] in FortiNAC 9.4.1 and below, 9.2.6 and below, 9.1.8 and below, 8.8.11 and below, 8.7.6 and below may allow an unauthenticated attacker to access sensitive information via crafted HTTP requests.

Frequently asked questions

What is CVE-2022-43951?: An exposure of sensitive information to an unauthorized actor vulnerability [CWE-200] in FortiNAC 9.4.1 and below, 9.2.6 and below, 9.1.8 and below, 8.8.11 and below, 8.7.6 and below may allow an unauthenticated attacker to access sensitive information via crafted HTTP requests.
How severe is CVE-2022-43951?: CVE-2022-43951 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2022-43951 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-43951?: CVE-2022-43951 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-2022-43951?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-43951 published?: CVE-2022-43951 was published on 2023-04-11 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-22-409

Affected products (2)

cpe:2.3:a:fortinet:fortinac:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortinac-f:*:*:*:*:*:*:*:*

More vulnerabilities in Fortinet Fortinac

CVE-2023-33299 — Critical (CVSS 9.8): A deserialization of untrusted data in Fortinet FortiNAC below 7.2.1, below 9.4.3, below 9.2.8 and all earlier versions…
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CVE-2022-38375 — Critical (CVSS 9.1): An improper authorization vulnerability [CWE-285] in Fortinet FortiNAC version 9.4.0 through 9.4.1 and before 9.2.6…
CVE-2022-26117 — High (CVSS 8.8): An empty password in configuration file vulnerability [CWE-258] in FortiNAC version 8.3.7 and below, 8.5.2 and below,…
CVE-2022-39953 — High (CVSS 7.8): A improper privilege management in Fortinet FortiNAC version 9.4.0 through 9.4.1, FortiNAC version 9.2.0 through 9.2.6,…
CVE-2021-43065 — High (CVSS 7.8): A incorrect permission assignment for critical resource in Fortinet FortiNAC version 9.2.0, version 9.1.3 and below,…

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