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I. Basic Information for CVE-2021-22895
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Nextcloud Desktop Client before 3.3.1 is vulnerable to improper certificate validation due to lack of SSL certificate verification when using the "Register with a Provider" flow.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
证书验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Nextcloud 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nextcloud是德国Nextcloud公司的一套开源的自托管文件同步和共享的通信应用平台。 Nextcloud 存在安全漏洞，该漏洞源于3.3.1之前的Nextcloud桌面客户端容易受到不正确的证书验证，因为在使用“向提供商注册”流程时缺乏SSL证书验证。
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
-Nextcloud Desktop Client Fixed in 3.3.1 -
II. Public POCs for CVE-2021-22895
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III. Intelligence Information for CVE-2021-22895
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IV. Related Vulnerabilities
Same product: Nextcloud Desktop Client
Same vendor: n/a
Same weakness: CWE-295
V. Comments for CVE-2021-22895

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