How severe is CVE-2023-41836?

CVE-2023-41836 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2023-41836 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-41836?

CVE-2023-41836 primarily affects Fortinet Fortisandbox. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-41836?

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

When was CVE-2023-41836 published?

CVE-2023-41836 was published on 2023-10-13 and last updated on 2026-06-17.

CVE-2023-41836

CVE-2023-41836 is a low-severity vulnerability in Fortinet Fortisandbox with a CVSS 3.x base score of 3.5. 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: Low (CVSS 3.x base score 3.5)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Fortinet Fortisandbox
Published: 2023-10-13
Last modified: 2026-06-17

Description

An improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Fortinet FortiSandbox 4.4.0, FortiSandbox 4.2.1 through 4.2.4, FortiSandbox 4.0 all versions, FortiSandbox 3.2 all versions, FortiSandbox 3.1 all versions, FortiSandbox 3.0.4 through 3.0.7 allows attacker to execute unauthorized code or commands via crafted HTTP requests.

Frequently asked questions

What is CVE-2023-41836?: An improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Fortinet FortiSandbox 4.4.0, FortiSandbox 4.2.1 through 4.2.4, FortiSandbox 4.0 all versions, FortiSandbox 3.2 all versions, FortiSandbox 3.1 all versions, FortiSandbox 3.0.4 through 3.0.7 allows attacker to execute unauthorized code or commands via crafted HTTP requests.
How severe is CVE-2023-41836?: CVE-2023-41836 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2023-41836 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-41836?: CVE-2023-41836 primarily affects Fortinet Fortisandbox. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-41836?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-41836 published?: CVE-2023-41836 was published on 2023-10-13 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-23-215

Affected products (2)

cpe:2.3:a:fortinet:fortisandbox:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortisandbox:4.4.0:*:*:*:*:*:*:*

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