How severe is CVE-2022-38376?

CVE-2022-38376 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-38376 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-2022-38376?

CVE-2022-38376 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-2022-38376?

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

When was CVE-2022-38376 published?

CVE-2022-38376 was published on 2023-02-16 and last updated on 2026-06-17.

CVE-2022-38376

CVE-2022-38376 is a medium-severity vulnerability in Fortinet Fortinac with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Fortinet Fortinac
Published: 2023-02-16
Last modified: 2026-06-17

Description

Multiple improper neutralization of input during web page generation ('Cross-site Scripting') vulnerabilities [CWE-79] in Fortinet FortiNAC portal UI before 9.4.1 allows an attacker to perform an XSS attack via crafted HTTP requests.

Frequently asked questions

What is CVE-2022-38376?: Multiple improper neutralization of input during web page generation ('Cross-site Scripting') vulnerabilities [CWE-79] in Fortinet FortiNAC portal UI before 9.4.1 allows an attacker to perform an XSS attack via crafted HTTP requests.
How severe is CVE-2022-38376?: CVE-2022-38376 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-38376 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-2022-38376?: CVE-2022-38376 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-2022-38376?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-38376 published?: CVE-2022-38376 was published on 2023-02-16 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-22-273

Affected products (2)

cpe:2.3:a:fortinet:fortinac:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortinac:8.3.7:*:*:*:*:*:*:*

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…
CVE-2022-39952 — Critical (CVSS 9.8): A external control of file name or path in Fortinet FortiNAC versions 9.4.0, 9.2.0 through 9.2.5, 9.1.0 through 9.1.7,…
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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