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CVE-2026-21643: Execute unauthorized code or commands in Fortinet FortiClientEMS

0
Critical
VulnerabilityCVE-2026-21643cvecve-2026-21643
Published: 02/06/2026 (02/06/2026, 08:24:43 UTC)
Source: CVE Database V5
Vendor/Project: Fortinet
Product: FortiClientEMS

Description

An improper neutralization of special elements used in an sql command ('sql injection') vulnerability in Fortinet FortiClientEMS 7.4.4 may allow an unauthenticated attacker to execute unauthorized code or commands via specifically crafted HTTP requests.

CVSS v3.1

Score 9.1critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C

Affected software

GitHub Actionsmore threats →ai
fortinet/forticlientems
pkg:github/fortinet/forticlientems
Affected versions
=7.4.4

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 04/14/2026, 11:19:10 UTC

Technical Analysis

Fortinet FortiClientEMS 7.4.4 contains an improper neutralization of special elements in SQL commands (SQL injection) vulnerability. This flaw permits unauthenticated remote attackers to execute arbitrary code or commands via crafted HTTP requests, potentially compromising the affected system. The vulnerability is rated critical with a CVSS 3.1 base score of 9.1, reflecting network attack vector, no privileges or user interaction required, and complete impact on confidentiality, integrity, and availability. A patch addressing this vulnerability is available from Fortinet.

Potential Impact

Successful exploitation of this vulnerability can lead to full system compromise, including unauthorized code execution and command execution on the FortiClientEMS server. This impacts confidentiality, integrity, and availability of the affected system. No known exploits in the wild have been reported at this time.

Mitigation Recommendations

A patch is available for Fortinet FortiClientEMS 7.4.4 to fix this SQL injection vulnerability. It is strongly recommended to apply the official update from Fortinet promptly. Since this is not a cloud service, remediation depends on applying the patch to the affected on-premises installations. Monitor Fortinet advisories for the patch release and installation instructions.

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Technical Details

Data Version
5.2
Assigner Short Name
fortinet
Date Reserved
2026-01-02T08:41:26.514Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6985a694f9fa50a62fec94b1

Added to database: 02/06/2026, 08:30:12 UTC

Last enriched: 04/14/2026, 11:19:10 UTC

Last updated: 09/10/2026, 19:36:52 UTC

Views: 1540

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