Fortinet Security Updates September 2023

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Date of Notice: 09/15/2023

Action Level - High


Fortinet has released updates to FortiOS, FortiProxy, and Fortiweb addressing numerous vulnerabilities to these products. If exploited, these vulnerabilities could allow an attacker to bypass protections and execute arbitrary code. The vulnerabilities were discovered by Fortinet employees and there are currently no indications that they have been exploited, but Fortinet recommends identification and prompt update of impacted systems. 

Fixed Versions

  • FortiProxy version 7.2.5 or above
  • FortiProxy version 7.0.11 or above
  • FortiOS version 7.4.0 or above
  • FortiOS version 7.2.5 or above
  • FortiOS version 7.0.12 or above
  • FortiOS version 6.4.13 or above
  • FortiOS version 6.2.15 or above
  • FortiWeb version 7.2.2 or above
  • FortiWeb version 7.0.7 or above

Attack Vector

An attacker with network access to the device running impacted Fortinet software.

Attack Feasibility 

There are currently no known exploits for this vulnerability.


There are no known mitigations for this vulnerability.


Update to a current supported version of FortiOS, Fortiproxy, or FortiWeb.

Vendor Resources



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