CVE-2026-21643 (GCVE-0-2026-21643)

Vulnerability from cvelistv5 – Published: 2026-02-06 08:24 – Updated: 2026-04-14 03:55
VLAI? CISA KEV
Summary
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.
Severity ?
9.1 (Critical)
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
  • CWE-89 - Execute unauthorized code or commands
Assigner
References
Impacted products
Vendor Product Version
Fortinet FortiClientEMS Affected: 7.4.4
    cpe:2.3:a:fortinet:forticlientems:7.4.4:*:*:*:*:*:*:*
 Create a notification for this product.
CISA KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 9c72f05f-aadd-4a03-8135-59e708f5b797

Vulnerability ID: CVE-2026-21643

Status: Confirmed

Status Updated: 2026-04-13 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2026-04-13
Asserted: 2026-04-13
Scope
Notes: KEV entry: Fortinet SQL Injection Vulnerability | Affected: Fortinet / FortiClient EMS | Description: Fortinet FortiClient EMS contains a SQL injection vulnerability that may allow an unauthenticated attacker to execute unauthorized code or commands via specifically crafted HTTP requests. | 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. | Due date: 2026-04-16 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://fortiguard.fortinet.com/psirt/FG-IR-25-1142 ; https://nvd.nist.gov/vuln/detail/CVE-2026-21643
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-89
Feed CISA Known Exploited Vulnerabilities Catalog
Product FortiClient EMS
Due Date 2026-04-16
Date Added 2026-04-13
Vendorproject Fortinet
Vulnerabilityname Fortinet SQL Injection Vulnerability
Knownransomwarecampaignuse Unknown
References
Created: 2026-04-13 18:00 UTC | Updated: 2026-04-13 18:00 UTC
Show details on NVD website
To clipboard 

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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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