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CVE-2023-37936: Use of hard-coded cryptographic key in FortiSwitch

A use of hard-coded cryptographic key in Fortinet FortiSwitch version 7.4.0 and 7.2.0 through 7.2.5 and 7.0.0 through 7.0.7 and 6.4.0 through 6.4.13 and 6.2.0 through 6.2.7 and 6.0.0 through 6.0.7 allows attacker to execute unauthorized code or commands via crafted requests.

Published

ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityCRITICALCVSS 3.1 9.6
EPSS0.99%Chance of exploitation in 30 days
Public exploitNot tracked
FixAvailable

Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.

Affected and fixed versions

Product / branchFixed in
FortiSwitch 7.47.4.1 or later
FortiSwitch 7.2.0 to 7.2.57.2.6 or later
FortiSwitch 7.0.0 to 7.0.77.0.8 or later
FortiSwitch 6.4.0 to 6.4.136.4.14 or later
FortiSwitch 6.2.0 to 6.2.76.2.8 or later
FortiSwitch 6.0.0 to 6.0.7Upgrade past 6.0.7; see the advisory

Always confirm against the vendor advisory, which lists every fixed hotfix.

What it is

A use of hard-coded cryptographic key in Fortinet FortiSwitch version 7.4.0 and 7.2.0 through 7.2.5 and 7.0.0 through 7.0.7 and 6.4.0 through 6.4.13 and 6.2.0 through 6.2.7 and 6.0.0 through 6.0.7 allows attacker to execute unauthorized code or commands via crafted requests.

Sources

KEV status, EPSS score and vendor data refreshed automatically, last on 10 Oct 2026.

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