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FortiOS

Fortinet FortiOS 4.3

Vulnerabilities, fixed releases, vendor recommendation and support status of the 4.3 branch, from official sources.

This page is public but not yet offered to search engines: Patcharo cannot state enough sourced facts about this branch.

Sources last modified 17 Jun 2026 · Last verified by Patcharo: 1 Oct 2026 at 09:29 UTC

1
Matched CVEs
0
CISA KEV
none stated
Newest fix stated
End of life · 19 Mar 2014
Support

In brief

Recommended maintenance build
No official recommendation
Recommended release
No official recommendation
Releases listed by the vendor
No release list read from the vendor
CERT-FR
0 documents

Vulnerabilities affecting 4.3

Each record matched to this branch with the fixed release the source states, newest first.

  1. CVE-2023-29181

    A use of externally-controlled format string in Fortinet FortiOS 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6…

    High8.8CVSS 3.1, High
    First fixed releaseMigration to a fixed release required
    Published

Vendor recommendation

The vendor's own statement about what to run, with its date and source. Separate from vulnerabilities and from support status: being behind a recommendation is not a vulnerability, and a supported release is not necessarily the recommended one.

Support status

From the vendor's published life-cycle policy; support is not a recommendation.

  1. 4.3
    SupportEnd of life
    End of support19 Mar 2014

Fortinet Product Life Cycle (software) · retrieved 1 Oct 2026 at 13:38 UTC

How Patcharo reads this

Affected and fixed releases come from the vendor's structured statements, matched by exact version and patch level. The recommendation is the vendor's own statement; the support status comes from its life-cycle policy. Unknown never becomes Not affected.

Read the methodologyRead the guide: FortiOS version numbering: branches, patch releases and the Feature and Mature labels

Other FortiOS branches

All FortiOS vulnerabilities and branches

Official sources