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I. Basic Information for CVE-2021-41166
Vulnerability Information

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Vulnerability Title
Permission bypass in Nextcloud Android App
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Nextcloud Android app is the Android client for Nextcloud, a self-hosted productivity platform. An issue in versions prior to 3.17.1 may lead to sensitive information disclosure. An unauthorized app that does not have the otherwise required `MANAGE_DOCUMENTS` permission may view image thumbnails for images it does not have permission to view. Version 3.17.1 contains a patch. There are no known workarounds.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
缺省权限不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
Nextcloud Android app 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nextcloud Android app是德国Nextcloud公司的一款基于Android平台,用于访问Nextcloud服务器的移动应用程序。 Nextcloud Android app 存在安全漏洞,该漏洞源于 3.17.1 之前版本中的问题可能导致敏感信息泄露。 未经授权的应用如果没有其他所需的“MANAGE_DOCUMENTS”权限,则可以查看其无权查看的图像的图像缩略图。
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
nextcloudsecurity-advisories < 3.17.1 -
II. Public POCs for CVE-2021-41166
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III. Intelligence Information for CVE-2021-41166
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