How severe is CVE-2022-41334?

CVE-2022-41334 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-41334 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-41334?

CVE-2022-41334 affects Fortinet Fortios. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-41334?

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-2022-41334 published?

CVE-2022-41334 was published on 2023-02-16 and last updated on 2026-06-17.

CVE-2022-41334

CVE-2022-41334 is a high-severity vulnerability in Fortinet Fortios 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-79.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Fortinet Fortios
Published: 2023-02-16
Last modified: 2026-06-17

Description

An improper neutralization of input during web page generation [CWE-79] vulnerability in FortiOS versions 7.0.0 to 7.0.7 and 7.2.0 to 7.2.3 may allow a remote, unauthenticated attacker to launch a cross site scripting (XSS) attack via the "redir" parameter of the URL seen when the "Sign in with FortiCloud" button is clicked.

Frequently asked questions

What is CVE-2022-41334?: An improper neutralization of input during web page generation [CWE-79] vulnerability in FortiOS versions 7.0.0 to 7.0.7 and 7.2.0 to 7.2.3 may allow a remote, unauthenticated attacker to launch a cross site scripting (XSS) attack via the "redir" parameter of the URL seen when the "Sign in with FortiCloud" button is clicked.
How severe is CVE-2022-41334?: CVE-2022-41334 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-41334 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-41334?: CVE-2022-41334 affects Fortinet Fortios. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-41334?: 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-2022-41334 published?: CVE-2022-41334 was published on 2023-02-16 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-22-224

Affected products (1)

cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*

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