CVE-2026-21643

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-21643
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.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://fortiguard.fortinet.com/psirt/FG-IR-25-1142 Vendor Advisory
https://github.com/0xBlackash/CVE-2026-21643/blob/main/cve-2026-21643.py Exploit
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21643 US Government Resource
Configurations

Configuration 1 (hide)

cpe:2.3:a:fortinet:forticlientems:7.4.4:*:*:*:*:*:*:*
History

14 Apr 2026, 14:21

Type Values Removed Values Added
CPE cpe:2.3:a:fortinet:forticlientems:*:*:*:*:*:*:*:* cpe:2.3:a:fortinet:forticlientems:7.4.4:*:*:*:*:*:*:*
References () https://github.com/0xBlackash/CVE-2026-21643/blob/main/cve-2026-21643.py - () https://github.com/0xBlackash/CVE-2026-21643/blob/main/cve-2026-21643.py - Exploit
References () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21643 - () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21643 - US Government Resource

13 Apr 2026, 18:16

Type Values Removed Values Added
References
  • () https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21643 -

30 Mar 2026, 13:16

Type Values Removed Values Added
References
  • () https://github.com/0xBlackash/CVE-2026-21643/blob/main/cve-2026-21643.py -

17 Feb 2026, 21:34

Type Values Removed Values Added
CPE cpe:2.3:a:fortinet:forticlientems:*:*:*:*:*:*:*:*
Summary
  • (es) Una vulnerabilidad de neutralización incorrecta de elementos especiales utilizados en un comando SQL ('inyección SQL') en Fortinet FortiClientEMS 7.4.4 podría permitir a un atacante no autenticado ejecutar código o comandos no autorizados a través de solicitudes HTTP específicamente diseñadas.
References () https://fortiguard.fortinet.com/psirt/FG-IR-25-1142 - () https://fortiguard.fortinet.com/psirt/FG-IR-25-1142 - Vendor Advisory
First Time Fortinet
Fortinet forticlientems

06 Feb 2026, 09:15

Type Values Removed Values Added
New CVE
Information

Published : 2026-02-06 09:15

Updated : 2026-06-17 10:18

NVD link : CVE-2026-21643

Mitre link : CVE-2026-21643

CVE.ORG link : CVE-2026-21643

JSON object : View

Products Affected

fortinet

  • forticlientems
CWE
CWE-89

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')