CVE-2026-21643

9.8 CRITICAL CISA KEV - Actively Exploited
Published: February 06, 2026 Modified: April 16, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://fortiguard.fortinet.com/psirt/FG-IR-25-1142
Source: psirt@fortinet.com
Vendor Advisory
https://github.com/0xBlackash/CVE-2026-21643/blob/main/cve-2026-21643.py
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21643
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
43.1%
98th percentile
Exploitation Status
Actively Exploited
Remediation due: 2026-04-16

Weaknesses (CWE)

CWE-89

Affected Vendors

fortinet

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