CVE-2026-21643
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I. Basic Information for CVE-2026-21643
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Fortinet FortiClientEMS SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fortinet FortiClientEMS是美国飞塔（Fortinet）公司的Fortinet提供的端点管理解决方案的一部分，旨在帮助组织有效地管理其网络中的终端设备，并提供端点安全性的监控和控制。 Fortinet FortiClientEMS 7.4.4版本存在SQL注入漏洞，该漏洞源于SQL命令中特殊元素中和不当，可能导致未经身份验证的攻击者通过特制HTTP请求执行未授权代码或命令。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Shenlong Deep Dive — AI Deep Analysis
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Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Fortinet | FortiClientEMS | 7.4.4 | cpe:2.3:a:fortinet:forticlientems:7.4.4:*:*:*:*:*:*:* |
II. Public POCs for CVE-2026-21643
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | Fortinet FortiClientEMS version 7.4.4 and earlier contains an unauthenticated SQL injection vulnerability in the /api/v1/init_consts endpoint. The 'Site' HTTP header value is passed directly into the PostgreSQL search_path without sanitization, allowing remote unauthenticated attackers to inject arbitrary SQL commands. This can lead to information disclosure, database manipulation, or OS command execution when chained with PostgreSQL functions. | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-21643.yaml | POC Details |
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IV. Related Vulnerabilities
Same weakness: CWE-89
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