What’s Vulnerable › Vulnerabilities

CVE-2021-44168: Fortinet FortiOS Arbitrary File Download

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2021-12-10
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-01-04 · updated 2026-06-17
• Weakness: CWE-494

Description

A download of code without integrity check vulnerability in the "execute restore src-vis" command of FortiOS before 7.0.3 may allow a local authenticated attacker to download arbitrary files on the device via specially crafted update packages.

Affected products

• Fortinet FortiOS (FortiGate): before 6.0.14; from 6.2.0 before 6.2.10; from 6.4.0 before 6.4.8; from 7.0.0 before 7.0.3 — fixed in 6.0.14, 6.2.10, 6.4.8, 7.0.3

How to fix

Upgrade to a fixed version: Fortinet FortiOS (FortiGate) 6.0.14, 6.2.10, 6.4.8, 7.0.3. Check the vendor advisory for mitigations.

References

• https://fortiguard.com/psirt/FG-IR-21-201
• https://fortiguard.com/psirt/FG-IR-21-201
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-44168

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