9.1
Critical
CVE-2026-21643 Fortinet SQL Injection Vulnerability
Active exploitation observed
· CISA KEV catalogue
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.
Ransomware campaigns
Not observed so far
Weakness
CWE-89
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 3.1 detail
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:CExploitable remotely over the network, without an account and without any user action; an attacker can seriously compromise confidentiality, integrity or availability.
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- Interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| FortiClientEMS | 7.4.4 | No fix stated |
Other CVEs of FortiClientEMS
The 22 CVEs of FortiClientEMS →
CVE-2026-59836
A improper certificate validation vulnerability in Fortinet FortiClientEMS 7.4.3 through 7.4.5, FortiClientEMS 7.4.0…
6.7
Medium
CVE-2026-39810
A use of hard-coded cryptographic key vulnerability in Fortinet FortiClientEMS 7.4.3 through 7.4.5, FortiClientEMS 7.4.0…
5.2
Medium
CVE-2026-39809
A improper neutralization of special elements used in an sql command ('sql injection') vulnerability in Fortinet…
6.2
Medium
CVE-2026-35616
Fortinet FortiClient EMS Improper Access Control Vulnerability
9.1
Critical