CVE-2023-46720

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-06-11 · updated 2026-06-17
Weakness: CWE-121

Description

A stack-based buffer overflow in Fortinet FortiOS version 7.4.0 through 7.4.1 and 7.2.0 through 7.2.7 and 7.0.0 through 7.0.12 and 6.4.6 through 6.4.15 and 6.2.9 through 6.2.16 and 6.0.13 through 6.0.18 allows attacker to execute unauthorized code or commands via specially crafted CLI commands.

Affected products

Fortinet FortiOS (FortiGate): from 6.0.13 through 6.0.18; from 6.2.9 through 6.2.16; from 6.4.6 through 6.4.15; from 7.0.0 through 7.0.12; from 7.2.0 before 7.2.8; from 7.4.0 before 7.4.3 — fixed in 7.2.8, 7.4.3

How to fix

Upgrade to a fixed version: Fortinet FortiOS (FortiGate) 7.2.8, 7.4.3. Check the vendor advisory for mitigations.

References

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