Vulnerability

CVE-2021-44168

Low· 3.3KEVCVSS3.3EPSS1%

.rules3/5

Fortinet FortiOS Arbitrary File Download

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

Threat signal

43/100

Guarded

Severity

low

CVSS

3.3

EPSS

Active

KEV

CISA KEV — actively exploited

1632d overdue

AffectedFortinet — FortiOS

Added to KEV

2021-12-10

Federal patch due (BOD 22-01)

2021-12-24

Required action (CISA verbatim)

Apply updates per vendor instructions.

Vendor advisory + references

https://nvd.nist.gov/vuln/detail/CVE-2021-44168

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

CVSS

v3.1Open in FIRST calculator →

3.3/ 10LOWCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Attack VectorLocalRequires local access — shell, console, or local app.
Attack ComplexityLowNo special conditions — exploit works reliably.
Privileges RequiredLowStandard user privileges sufficient.
User InteractionNoneFully automated — no victim action needed.
ScopeUnchangedImpact contained to the vulnerable component.
Confidentiality ImpactNoneNo confidentiality impact.
Integrity ImpactLowSome data modification; attacker doesn't fully control extent.
Availability ImpactNoneNo availability impact.

EPSS

Exploit prediction · 30-day horizonFIRST.org →

1.15%

probability of exploitation in next 30 days

p79

higher than 79% of all CVEs

3-day trend↑ 0pp

Mid-pack — moderate exploitation likelihood.

Vendor VEX

No VEX statements published for CVE-2021-44168. Vendors publish VEX (Vulnerability Exploitability eXchange) to assert per-product whether a CVE is actually exploitable in their distribution.

SSVCAttend

Active exploitation with limited impact — coordinate patching

exploitation: active
automatable: no
impact: partial
mission: support

Lifecycle

2021-12-10Added to CISA KEVransomware: Unknown
2021-12-10Published
2021-12-24Federal patch due (BOD 22-01)
2026-06-12Last modified1 source

No source-event history recorded yet. New revisions will appear here as ingestors re-fetch this CVE.