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Vulnerabilities

Vulnerability · CVE-2021-44168

Fortinet FortiOS Arbitrary File Download

Published Dec 7, 2021 · catalog updated Jun 16, 2026 · Fortinet FortiOS

Patch now

CVE-2021-44168 is in the CISA known-exploited catalog, due Dec 24, 2021. Confirm Fortinet FortiOS against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
High7.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
0.86%
Remediation
Remediation guidance
Affected products
cpe fortinet/fortios · vendor Fortinet FortiOS

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe fortinet/fortiosversion unspecified
  • vendor Fortinet FortiOSversion unspecified

How to fix CVE-2021-44168

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2021-44168 is in the CISA known-exploited catalog, due Dec 24, 2021. Confirm Fortinet FortiOS against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply updates per vendor instructions.

What should an analyst verify?

CWE-494. EPSS 0.86%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Fortinet security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 10, 2021 · Catalog

    Detected

    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.

  2. Dec 10, 2021 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Dec 24, 2021 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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.

Sources

  • CISA KEVConfirmed exploitationCVE-2021-44168

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

    cisa.gov
  • CVE.orgVulnerability recordCVE-2021-44168

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2021-44168

    30-day exploitation probability 0.9%

    first.org
  • NIST NVDVulnerability recordCVE-2021-44168

    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.

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2021-44168

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

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.