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一、 漏洞 CVE-2021-26887 基础信息
漏洞信息

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Vulnerability Title
Microsoft Windows Folder Redirection Elevation of Privilege Vulnerability
来源: 美国国家漏洞数据库 NVD
Vulnerability Description
<p>An elevation of privilege vulnerability exists in Microsoft Windows when Folder redirection has been enabled via Group Policy. When folder redirection file server is co-located with Terminal server, an attacker who successfully exploited the vulnerability would be able to begin redirecting another user's personal data to a created folder.</p> <p>To exploit the vulnerability, an attacker can create a new folder under the Folder Redirection root path and create a junction on a newly created User folder. When the new user logs in, Folder Redirection would start redirecting to the folder and copying personal data.</p> <p>This elevation of privilege vulnerability can only be addressed by reconfiguring Folder Redirection with Offline files and restricting permissions, and NOT via a security update for affected Windows Servers. See the <strong>FAQ</strong> section of this CVE for configuration guidance.</p>
来源: 美国国家漏洞数据库 NVD
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
来源: 美国国家漏洞数据库 NVD
Vulnerability Type
N/A
来源: 美国国家漏洞数据库 NVD
Vulnerability Title
Microsoft Windows 后置链接漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Microsoft Windows是美国微软(Microsoft)公司的一套个人设备使用的操作系统。 Microsoft Windows 文件夹重定向存在后置链接漏洞。以下产品和版本受到影响:Windows 10 for 32-bit Systems,Windows 10 for x64-based Systems,Windows 10 Version 1607 for 32-bit Systems,Windows 10 Version 1607 for x64-based Systems,Windows
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
厂商产品影响版本CPE订阅
MicrosoftWindows 10 Version 2004 N/A -
MicrosoftWindows Server version 2004 N/A -
MicrosoftWindows 10 Version 20H2 N/A -
MicrosoftWindows Server version 20H2 N/A -
MicrosoftWindows 10 Version 1803 N/A -
MicrosoftWindows 10 Version 1809 N/A -
MicrosoftWindows Server 2019 N/A -
MicrosoftWindows Server 2019 (Server Core installation) N/A -
MicrosoftWindows 10 Version 1909 N/A -
MicrosoftWindows Server, version 1909 (Server Core installation) N/A -
MicrosoftWindows 10 Version 1507 N/A -
MicrosoftWindows 10 Version 1607 N/A -
MicrosoftWindows Server 2016 N/A -
MicrosoftWindows Server 2016 (Server Core installation) N/A -
MicrosoftWindows 7 N/A -
MicrosoftWindows 7 Service Pack 1 N/A -
MicrosoftWindows 8.1 N/A -
MicrosoftWindows Server 2008 Service Pack 2 N/A -
MicrosoftWindows Server 2008 Service Pack 2 (Server Core installation) N/A -
MicrosoftWindows Server 2008 Service Pack 2 N/A -
MicrosoftWindows Server 2008 R2 Service Pack 1 N/A -
MicrosoftWindows Server 2008 R2 Service Pack 1 (Server Core installation) N/A -
MicrosoftWindows Server 2012 6.2.0 ~ publication cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*
MicrosoftWindows Server 2012 (Server Core installation) 6.2.0 ~ publication cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:x64:*
MicrosoftWindows Server 2012 R2 N/A -
MicrosoftWindows Server 2012 R2 (Server Core installation) N/A -
二、漏洞 CVE-2021-26887 的公开POC
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三、漏洞 CVE-2021-26887 的情报信息
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四、漏洞 CVE-2021-26887 的评论

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