Vulnerability Information
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Vulnerability Title
Webauthn tokens not removed after user has been deleted
Vulnerability Description
Nextcloud Server is a Nextcloud package that handles data storage. In versions prior to 19.0.13, 20.011, and 21.0.3, webauthn tokens were not deleted after a user has been deleted. If a victim reused an earlier used username, the previous user could gain access to their account. The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. There are no known workarounds.
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Vulnerability Type
不正确的属主授予
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在19.0.13、20.011和21.0.3之前的版本存在安全漏洞，该漏洞源于删除用户后不会删除webauthn令牌。如果受害者重复使用以前使用过的用户名，以前的用户就可以访问他们的帐户。
CVSS Information
N/A
Vulnerability Type
N/A