What’s Vulnerable › Vulnerabilities

CVE-2020-12818

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-09-24 · updated 2026-06-17

Description

An insufficient logging vulnerability in FortiGate before 6.4.1 may allow the traffic from an unauthenticated attacker to Fortinet owned IP addresses to go unnoticed.

Affected products

• Fortinet FortiOS (FortiGate): before 6.4.1 — fixed in 6.4.1

How to fix

Upgrade to a fixed version: Fortinet FortiOS (FortiGate) 6.4.1. Check the vendor advisory for mitigations.

References

• https://fortiguard.com/advisory/FG-IR-20-033
• https://www.fortiguard.com/psirt/FG-IR-20-033
• https://fortiguard.com/advisory/FG-IR-20-033

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