What’s Vulnerable › Vulnerabilities

CVE-2023-29175

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-13 · updated 2026-06-17
• Weakness: CWE-295

Description

An improper certificate validation vulnerability [CWE-295] in FortiOS 6.2 all versions, 6.4 all versions, 7.0.0 through 7.0.10, 7.2.0 and FortiProxy 1.2 all versions, 2.0 all versions, 7.0.0 through 7.0.9, 7.2.0 through 7.2.3 may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the communication channel between the vulnerable device and the remote FortiGuard's map server.

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 6.4.13; from 7.0.0 before 7.0.11; 7.2.0 — fixed in 7.0.11
• Fortinet FortiProxy: from 1.2.0 through 1.2.13; from 2.0.0 through 2.0.12; from 7.0.0 through 7.0.9; from 7.2.0 through 7.2.3

How to fix

Upgrade to a fixed version: Fortinet FortiOS (FortiGate) 7.0.11. Check the vendor advisory for mitigations.

References

• https://fortiguard.com/psirt/FG-IR-22-468
• https://fortiguard.com/psirt/FG-IR-22-468

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