What’s Vulnerable › Vulnerabilities
CVE-2023-47537
- 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: 2024-02-15 · updated 2026-06-17
- Weakness: CWE-295
Description
An improper certificate validation vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2.0 through 7.2.6, FortiOS 7.0.0 through 7.0.15, FortiOS 6.4 all versions allows a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the FortiLink communication channel between the FortiOS device and FortiSwitch.
Affected products
- Fortinet FortiOS (FortiGate): from 7.0.0 before 7.0.14; from 7.2.0 through 7.2.6; 7.4.0, 7.4.1 — fixed in 7.0.14
How to fix
Upgrade to a fixed version: Fortinet FortiOS (FortiGate) 7.0.14. Check the vendor advisory for mitigations.
References
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