Vulnerability Information
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Vulnerability Title
Existence of calendars and address books can be checked by unauthenticated 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 25.0.9, 26.0.4, and 27.0.1, unauthenticated users could send a DAV request which reveals whether a calendar or an address book with the given identifier exists for the victim. Nextcloud Server versions 25.0.9, 26.0.4, and 27.0.1 and Nextcloud Enterprise Server versions 25.0.9, 26.0.4, and 27.0.1 contain a patch for this issue. No known workarounds are available.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
Vulnerability Type
访问控制不恰当
Vulnerability Title
Nextcloud 访问控制错误漏洞
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存在访问控制错误漏洞。攻击者利用该漏洞可以发送DAV请求，该请求会显示受害者是否存在具有给定标识符的日历或地址簿。
CVSS Information
N/A
Vulnerability Type
N/A