{"id":"CVE-2026-21643","published":"2026-02-06T09:15:49Z","modified":"2026-06-17T10:18:51Z","title":"Fortinet FortiClient EMS SQL Injection Vulnerability","vendor":"Fortinet","product":"FortiClient EMS","tier":"core","eol":null,"description":{"text":"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.","provenance":"source","from":"NVD"},"summary":{"text":"A SQL injection flaw in Fortinet FortiClient EMS 7.4.4 lies in improper neutralization of special elements within its SQL commands. 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https://nvd.nist.gov/vuln/detail/CVE-2026-21643","provenance":"source"},"vulncheckKev":{"dateAdded":"2026-03-28","exploitedFirstSeen":"2026-03-28","ransomware":true,"evidence":[{"url":"https://www.linkedin.com/posts/defused_fortinet-forticlient-ems-cve-2026-21643-activity-7443678408401756160-nZlK","date":"2026-03-28"},{"url":"https://x.com/defusedcyber/status/2037912573274636781","date":"2026-03-28"},{"url":"https://www.secpod.com/blog/forticlient-ems-under-fire-critical-cve-2026-21643-exploited-in-real-world-attacks/","date":"2026-03-31"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2026-04-04&host_type=src&vulnerability=cve-2026-21643","date":"2026-04-04"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2026-04-05&host_type=src&vulnerability=cve-2026-21643","date":"2026-04-05"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2026-04-06&host_type=src&vulnerability=cve-2026-21643","date":"2026-04-06"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2026-04-07&host_type=src&vulnerability=cve-2026-21643","date":"2026-04-07"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2026-04-08&host_type=src&vulnerability=cve-2026-21643","date":"2026-04-08"},{"url":"https://dashboard.shadowserver.org/statistics/honeypot/vulnerability/map/?day=2026-04-10&host_type=src&vulnerability=cve-2026-21643","date":"2026-04-10"},{"url":"https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json","date":"2026-04-13"}],"evidenceTotal":158,"provenance":"source"},"exploited":true,"otx":{"pulseCount":50,"pulses":[{"name":"Actively_Exploited_Kev 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2026","url":"https://otx.alienvault.com/pulse/6ad8d33a077cbb5cab524d80","created":"2026-10-21"},{"name":"Actively_Exploited_Kev | Oct 21, 2026","url":"https://otx.alienvault.com/pulse/6ad78130c4d1ac2be83a8b6d","created":"2026-10-20"},{"name":"Actively_Exploited_Kev | Oct 20, 2026","url":"https://otx.alienvault.com/pulse/6ad62f63c24a405a3423cc13","created":"2026-10-19"}],"provenance":"machine"},"cwes":[{"id":"CWE-89","name":"Improper Neutralization of Special Elements used in an SQL Command"}],"references":[{"url":"https://fortiguard.fortinet.com/psirt/FG-IR-25-1142","tags":["Vendor Advisory"]},{"url":"https://github.com/0xBlackash/CVE-2026-21643/blob/main/cve-2026-21643.py","tags":["Exploit"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-21643","tags":["US Government Resource"]}],"techniques":[{"id":"T1190","name":"Exploit Public-Facing 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