KEV Entry

CVE-2026-21643

Known Exploited Vulnerability Entry Previdian

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Entry Details
Confirmed Exploited

CVE-2026-21643

2026-05-28 02:00 CEST

Timestamps

2026-05-28

2026-05-28

Scope

An improper neutralization of special elements used in an sql command ('sql injection') vulnerability in Fortinet FortiClientEMS 7.4.4 may allow an... | Affected: Fortinet / FortiClientEMS | CVSS: 9.8 (CRITICAL) | EPSS: 0.93723 | Used in malware: unknown | Listed 5 days ahead of CISA KEV | Not yet in CISA KEV: False

References
  • {'id': 'CVE-2026-21643', 'url': 'https://www.cve.org/CVERecord?id=CVE-2026-21643'}
  • {'id': 'previdian', 'url': 'https://previdian.com/CVE-2026-21643'}

5510bd29-7fbf-47b0-8675-342ef63e96c6

Previdian
caeb2787-0d58-4236-9039-7c86c3e566f3

2026-10-02 09:09 CEST

2026-10-02 09:09 CEST

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
public_report previdian successful_exploitation 0.70
View details 
{
  "added_date": "2026-05-28T00:00:00.000Z",
  "ahead_of_cisa_kev": {
    "count": 5,
    "unit": "day"
  },
  "cve_id": "CVE-2026-21643",
  "cvss_estimated": false,
  "cvss_score": 9.8,
  "cvss_severity": "CRITICAL",
  "epss_percentile": 0.99842,
  "epss_score": 0.93723,
  "feed": "Previdian (previdian.com)",
  "ghsa_id": null,
  "not_yet_in_cisa_kev": false,
  "previous_ids": [],
  "product": "FortiClientEMS",
  "title": "An improper neutralization of special elements used in an sql command (\u0027sql injection\u0027) vulnerability in Fortinet FortiClientEMS 7.4.4 may allow an...",
  "used_in_malware": "unknown",
  "vendor": "Fortinet",
  "virtual_patch": false,
  "vulnerability_id": "CVE-2026-21643"
}
 -
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