Applied Cybernetics Group
Threat intel → detection pipeline
Tuesday, July 14, 2026
Data as of 20:11 UTC

Fortinet FortiOS Arbitrary File Download

Added to KEV
2021-12-10
Federal due date
2021-12-24
Vendor
Fortinet
Product
FortiOS
EPSS
54.7th percentile (score 0.009, as of 2026-07-13)
NVD CVSS v3.1
Ransomware use
Unknown
ATT&CK
T1078.003 , T1601 · signal rollup
Upstream
https://nvd.nist.gov/vuln/detail/CVE-2021-44168

CISA short description

Fortinet FortiOS "execute restore src-vis" downloads code without integrity checking, allowing an attacker to arbitrarily download files.

Required action

Apply updates per vendor instructions.

EPSS percentile is the FIRST.org exploit-probability ranking as of the date noted above; it moves daily. CVSS reflects NVD's analysis at time of publication.