CVE:CVE-2020-8223
CNNVD:CNNVD-202010-109
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 19.0.0存在安全漏洞，该漏洞源于一个逻辑错误导致特权升级，允许恶意用户重新共享比他们自己获得的更高权限。
solution:Upgrade nextcloud nextcloud_server to a higher version than 19.0.0,and avoid the version 19.0.0; Upgrade fedoraproject fedora to a higher version than 32,33,and avoid the version 32,33