What’s Vulnerable › Vulnerabilities

CVE-2023-45583

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-05-14 · updated 2026-10-22
• Weakness: CWE-134

Description

A use of externally-controlled format string vulnerability in Fortinet FortiOS 7.4.0, FortiOS 7.2.0 through 7.2.5, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiOS 6.2 all versions, FortiPAM 1.1.0, FortiPAM 1.0 all versions, FortiProxy 7.2.0 through 7.2.5, FortiProxy 7.0.0 through 7.0.11, FortiProxy 2.0 all versions, FortiProxy 01.02 all versions, FortiProxy 1.2 all versions, FortiProxy 01.01 all versions, FortiProxy 1.1 all versions, FortiSwitchManager 7.2.0 through 7.2.2, FortiSwitchManager 7.0.0 through 7.0.2 allows attacker to execute unauthorized code or commands via specially crafted cli commands and http requests.

Affected products

• Fortinet FortiOS (FortiGate): before 7.2.6; from 6.2.0 through 6.2.16; from 6.4.0 through 6.4.15; from 7.0.0 through 7.0.12; from 7.2.0 through 7.2.5; 7.4.0 — fixed in 7.2.6
• Fortinet FortiPAM: from 1.0.0 through 1.0.3; 1.1.0
• Fortinet FortiProxy: before 7.0.12; from 7.2.0 (excl.) before 7.2.6 — fixed in 7.0.12, 7.2.6
• Fortinet FortiSwitchManager: from 7.0.0 before 7.0.3; from 7.2.0 before 7.2.3 — fixed in 7.0.3, 7.2.3

How to fix

Upgrade to a fixed version: Fortinet FortiOS (FortiGate) 7.2.6; Fortinet FortiProxy 7.0.12, 7.2.6; Fortinet FortiSwitchManager 7.0.3, 7.2.3. Check the vendor advisory for mitigations.

References

• https://fortiguard.com/psirt/FG-IR-23-137
• https://fortiguard.com/psirt/FG-IR-23-137

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