FortiSIEM

CVE-2019-17659: Use of hard-coded cryptographic key in FortiSIEM

A use of hard-coded cryptographic key vulnerability in FortiSIEM version 5.2.6 may allow a remote unauthenticated attacker to obtain SSH access to the supervisor as the restricted user "tunneluser" by leveraging knowledge of the private key from another installation or a firmware image.

Published

ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityLOWCVSS 3.1 3.6
EPSS0.65%Chance of exploitation in 30 days
Public exploitNot tracked
FixNot yet

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
FortiSIEM 5.2See the advisory

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

What it is

A use of hard-coded cryptographic key vulnerability in FortiSIEM version 5.2.6 may allow a remote unauthenticated attacker to obtain SSH access to the supervisor as the restricted user "tunneluser" by leveraging knowledge of the private key from another installation or a firmware image.

Sources

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

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