What it is about

FortiOS ist ein gehärtetes Betriebssystem für FortiGate Plattformen. FortiProxy ist eine Web-Proxy Lösung. Ein lokaler Angreifer kann eine Schwachstelle in Fortinet FortiOS und Fortinet FortiProxy ausnutzen, um beliebigen Programmcode auszuführen.

Under what conditions?

Only with access to the device or an account on it. Often the second step after a phishing email.

What can happen in the worst case

An attacker could use the vulnerability to

• beliebigen Programmcode auszuführen

Am I affected?

Affected according to the BSI:

• Fortinet FortiOS <7.2.11
• Fortinet FortiOS <7.4.8
• Fortinet FortiOS <7.6.3
• Fortinet FortiProxy <7.4.11
• Fortinet FortiProxy <7.2.15
• Fortinet FortiProxy <7.6.4

The installed version is usually shown under “Help → About” or in the device’s admin interface.

What helps?

Update to at least:

• Fortinet FortiOS 7.2.11
• Fortinet FortiOS 7.4.8
• Fortinet FortiOS 7.6.3
• Fortinet FortiProxy 7.4.11
• Fortinet FortiProxy 7.2.15
• Fortinet FortiProxy 7.6.4

Is the vulnerability already being exploited?

None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.