CVE-2019-17659 Hardcoded credentials in FortiSIEM

Low 3.6 Published Updated

Remote attackers can gain SSH access as a restricted user by exploiting a hard-coded cryptographic key in FortiSIEM.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-17659?

CVE-2019-17659 is a low-severity vulnerability in Fortinet FortiSIEM, published on 17 Mar 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-798

Which versions are affected by CVE-2019-17659?

It affects 1 product.

Products include Fortinet Fortisiem.

How do I fix CVE-2019-17659?

No fix has been published for CVE-2019-17659 yet. Limit exposure of the affected software until one is available.

Is CVE-2019-17659 being exploited?

There is no known exploitation of CVE-2019-17659 in the wild and no public exploit code.

Sources

Also known as GHSA-8f4x-4qgh-w73f.

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