Check Point Advisories

Fortinet FortiClientEMS SQL Injection (CVE-2026-21643)

Check Point Reference: CPAI-2026-2044
Date Published: 24 Mar 2026
Severity: High
Last Updated: Tuesday 24 March, 2026
Source:
Industry Reference:CVE-2026-21643
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Fortinet FortiClientEMS 7.4.0 and later, prior to 7.4.5
Vulnerability Description A SQL injection vulnerability in Fortinet FortiClientEMS allows unauthenticated attackers to execute unauthorized code or commands via specifically crafted HTTP requests.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Fortinet FortiClientEMS SQL Injection (CVE-2026-21643) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Server Enforcement Violation.
Attack Information:  Fortinet FortiClientEMS SQL Injection (CVE-2026-21643)

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