CVE-2026-21643: Fortinet FortiClient EMS SQL Injection Vulnerability
Critical · CVSS 9.1 (CVSS 3.1)KEV known exploitedEPSS 97.7%, 100th percentilePublished Updated Assigner: fortinet
In CISA’s Known Exploited Vulnerabilities catalog: Fortinet FortiClient EMS SQL Injection Vulnerability.
Added , federal remediation due . Known ransomware use: Unknown.
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
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.
Vector 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 · CWE-89
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Fortinet: FortiClientEMS
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- fortiguard.fortinet.com/psirt/FG-IR-25-1142 (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)