Vulnerability Information
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Vulnerability Title
Nextcloud Server users can make external storage mount points inaccessible for other users
Vulnerability Description
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versions 25.0.13, 26.0.8, and 27.1.3 of Nextcloud Server and starting in version 20.0.0 and prior to versions 20.0.14.16, 21.0.9.13, 22.2.10.15, 23.0.12.12, 24.0.12.8, 25.0.13, 26.0.8, and 27.1.3 of Nextcloud Enterprise Server, a malicious user could update any personal or global external storage, making them inaccessible for everyone else as well. Nextcloud Server 25.0.13, 26.0.8, and 27.1.3 and Nextcloud Enterprise Server is upgraded to 20.0.14.16, 21.0.9.13, 22.2.10.15, 23.0.12.12, 24.0.12.8, 25.0.13, 26.0.8, and 27.1.3 contain a patch for this issue. As a workaround, disable app files_external. This workaround also makes the external storage inaccessible but retains the configurations until a patched version has been deployed.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:H
Vulnerability Type
访问控制不恰当
Vulnerability Title
Nextcloud 安全漏洞
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 Server存在安全漏洞，该漏洞源于允许攻击者使其他用户无法访问外部存储挂载点。受影响的产品和版本：Nextcloud Serve 25.0.13之前的25.0.0版本，26.0.8之前的26.0.0版本，27.1.3之前的27.0.0版本；Nextccloud Enterprise Server 20.0.14.16之前的20.0.0版本，21.0.9.13之前的21.0.0版本，22.2
CVSS Information
N/A
Vulnerability Type
N/A