What’s Vulnerable › Vulnerabilities

CVE-2023-36641

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-11-14 · updated 2026-10-22
• Weakness: CWE-197

Description

A numeric truncation error vulnerability in Fortinet FortiOS 7.4.0, FortiOS 7.2.0 through 7.2.5, FortiOS 7.0.0 through 7.0.12, FortiOS 6.4 all versions, FortiOS 6.2 all versions, FortiOS 6.0 all versions, FortiProxy 7.2.0 through 7.2.4, FortiProxy 7.0.0 through 7.0.10, 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, FortiProxy 01.00 all versions allows attacker to denial of service via specifically crafted HTTP 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 6.4.14; from 7.0.0 through 7.0.12; from 7.2.0 through 7.2.5
• Fortinet FortiProxy: from 1.0.0 through 1.0.7; from 1.1.0 through 1.1.6; from 1.2.0 through 1.2.13; from 2.0.0 through 2.0.13; from 7.0.0 through 7.0.10; from 7.2.0 through 7.2.4

References

• https://fortiguard.com/psirt/FG-IR-23-151
• https://fortiguard.com/psirt/FG-IR-23-151

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