Is CVE-2026-21643 actively exploited?

CVE-2026-21643 has no public evidence of in-the-wild exploitation as of 2026-02-06.

What is the CVSS score for CVE-2026-21643?

CVE-2026-21643 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2026-21643?

Patch guidance is available from Fortinet security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-21643.

Which products are affected by CVE-2026-21643?

1 product: Fortinet Awaiting Analysis.

Fix CVE-2026-21643 - CRITICAL Fortinet Awaiting Analysis

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 Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-89 · SQL Injection

Metadata

Primary Vendor: FORTINET
Published: 2/6/2026
Last Modified: 2/6/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-21643

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary