How severe is CVE-2023-41838?

CVE-2023-41838 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2023-41838 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-41838?

CVE-2023-41838 primarily affects Fortinet Fortianalyzer. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-41838?

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-2023-41838 published?

CVE-2023-41838 was published on 2023-10-10 and last updated on 2026-06-17.

CVE-2023-41838

CVE-2023-41838 is a high-severity vulnerability in Fortinet Fortianalyzer with a CVSS 3.x base score of 7.1. 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-78.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Fortinet Fortianalyzer
Published: 2023-10-10
Last modified: 2026-06-17

Description

An improper neutralization of special elements used in an os command ('os command injection') in FortiManager 7.4.0 and 7.2.0 through 7.2.3 may allow attacker to execute unauthorized code or commands via FortiManager cli.

Frequently asked questions

What is CVE-2023-41838?: An improper neutralization of special elements used in an os command ('os command injection') in FortiManager 7.4.0 and 7.2.0 through 7.2.3 may allow attacker to execute unauthorized code or commands via FortiManager cli.
How severe is CVE-2023-41838?: CVE-2023-41838 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2023-41838 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-41838?: CVE-2023-41838 primarily affects Fortinet Fortianalyzer. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-41838?: 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-2023-41838 published?: CVE-2023-41838 was published on 2023-10-10 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-23-169

Affected products (4)

cpe:2.3:a:fortinet:fortianalyzer:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortianalyzer:7.4.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimanager:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortimanager:7.4.0:*:*:*:*:*:*:*

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