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I. Basic Information for CVE-2026-21743
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A missing authorization vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.6, FortiAuthenticator 6.5 all versions, FortiAuthenticator 6.4 all versions, FortiAuthenticator 6.3 all versions may allow a read-only user to make modification to local users via a file upload to an unprotected endpoint.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
Fortinet FortiAuthenticator 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Fortinet FortiAuthenticator是美国飞塔(Fortinet)公司的一款集中式的用户身份管理解决方案。 Fortinet FortiAuthenticator 6.6.0版本至6.6.6版本、6.5所有版本、6.4所有版本和6.3所有版本存在安全漏洞,该漏洞源于缺少授权检查,可能导致只读用户通过文件上传修改本地用户。
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)
Affected Products
VendorProductAffected VersionsCPESubscribe
FortinetFortiAuthenticator 6.6.0 ~ 6.6.6 cpe:2.3:a:fortinet:fortiauthenticator:6.6.6:*:*:*:*:*:*:*
II. Public POCs for CVE-2026-21743
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III. Intelligence Information for CVE-2026-21743
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IV. Related Vulnerabilities
V. Comments for CVE-2026-21743

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