What’s Vulnerable › Vulnerabilities

CVE-2023-36639

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-12-13 · updated 2026-06-17
• Weakness: CWE-134

Description

A use of externally-controlled format string in Fortinet FortiProxy versions 7.2.0 through 7.2.4, 7.0.0 through 7.0.10, FortiOS versions 7.4.0, 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.12, 6.2.0 through 6.2.15, 6.0.0 through 6.0.17, FortiPAM versions 1.0.0 through 1.0.3 allows attacker to execute unauthorized code or commands via specially crafted API requests.

Affected products

• Fortinet FortiOS (FortiGate): from 6.0.0 through 6.0.17; from 6.2.0 through 6.2.15; from 6.4.0 through 6.4.12; from 7.0.0 through 7.0.11; from 7.2.0 through 7.2.4; 7.4.0
• Fortinet FortiPAM: from 1.0.0 through 1.0.3; 1.1.0
• Fortinet FortiProxy: from 7.0.0 through 7.0.10; from 7.2.0 through 7.2.4

References

• https://fortiguard.com/psirt/FG-IR-23-138
• https://fortiguard.com/psirt/FG-IR-23-138

Get alerted when CVE-2023-36639 or the next vulnerability affects your stack