CVE-2023-40721

MEDIUM
Published Feb 11, 2025 Modified Jan 14, 2026 CWE-134

Description

A use of externally-controlled format string vulnerability [CWE-134] vulnerability in Fortinet allows a privileged attacker to execute arbitrary code or commands via specially crafted requests.

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CVSS v3.1 Score

6.7
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-134 CWE-134

Affected Products

Vendor Product
fortinet fortios
fortinet fortios
fortinet fortios
fortinet fortiswitchmanager
fortinet fortiswitchmanager
fortinet fortiproxy
fortinet fortiproxy
fortinet fortiproxy
fortinet fortipam

References

Frequently Asked Questions

What is CVE-2023-40721? +
A use of externally-controlled format string vulnerability [CWE-134] vulnerability in Fortinet allows a privileged attacker to execute arbitrary code or commands via specially crafted requests. It has a CVSS v3.1 base score of 6.7 (MEDIUM).
How severe is CVE-2023-40721? +
CVE-2023-40721 has a CVSS v3.1 score of 6.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2023-40721? +
CVE-2023-40721 affects products from fortinet, specifically: fortios, fortipam, fortiproxy, fortiswitchmanager. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2023-40721? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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