Fortinet FortiOS Arbitrary File Download

HIGH 7.8EXPLOITED (CISA KEV)CVE-2021-44168 · Published 04/01/2022 · updated 17/06/2026

Fortinet FortiOS Arbitrary File Download. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 10/12/2021. Patch affected systems as an emergency.

In short

CVE-2021-44168 is a HIGH (CVSS 7.8) vulnerability.
Exploited in the wild: CISA added it to the KEV catalog on 10/12/2021.
Chance of exploitation in the next 30 days (EPSS): 0.91%, higher than 59.9% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
FortiOS Fortinet	Versions not published yet (product named by CISA KEV)

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.

References

fortiguard.com/psirt/FG-IR-21-201 · Vendor Advisory
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2021-44168

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