CVE-2026-21643

Timeline

Detection, updates, and resolution for this record.

1. Feb 6, 2026 · Catalog

   Detected

   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.

2. Apr 13, 2026 · CISA KEV

   Known exploited

   Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

3. Apr 16, 2026 · CISA KEV

   Remediation due

   Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

4. Jun 17, 2026 · Catalog

   Updated

   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.

Affected

• cpe fortinet/forticlientems7.4.4
• vendor Fortinet FortiClient EMSversion unspecified

Sources

• CISA KEVCVE-2026-21643

  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.

  cisa.gov
• CVE.orgCVE-2026-21643

  Official CVE identifier

  cve.org
• FIRST EPSSCVE-2026-21643

  30-day exploitation probability 93.9%

  first.org
• NIST NVDCVE-2026-21643

  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.

  nvd.nist.gov

References

• CISA note · fortiguard.fortinet.com
• Exploit · github.com
• CISA note · nvd.nist.gov
• US Government Resource · cisa.gov