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CVE-2021-44168

HIGH
7.8
CVSS Score
Published: January 4, 2022 at 12:38 PM UTC
Updated: June 17, 2026 at 04:11 AM UTC
1 product affected across 1 vendorFortiOS

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Severity
HIGH7.8
Exploitation
CISA KEV
Exploit prediction
EPSS 0.9%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score0.9%

EPSS (Exploit Prediction Scoring System) estimates a 0.9% chance this CVE is exploited in the wild within the next 30 days — higher than 60% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

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.
Ransomware Use
Unknown
Added to KEV
Dec 10, 2021
Remediation Due
Dec 24, 2021
1773 days overdue
Notes
https://nvd.nist.gov/vuln/detail/CVE-2021-44168

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

FortiOS· Fortinet
95%
v < 6.0.14v < 7.0.36.2.0 ≤ v < 6.2.106.4.0 ≤ v < 6.4.87.0.0 ≤ v < 7.0.3
Affected range stops below 6.0.14, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.2.10, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.4.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 7.0.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://fortiguard.com/psirt/FG-IR-21-201
US Government Resource
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-44168

SSVC — Action Prioritization

SSVCActiveNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGH[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-494

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