CVE:CVE-2021-31411
CNNVD:CNNVD-202105-154
Vaadin flow是一个应用软件。Vaadin平台的Java框架，用于构建外观美观，性能良好并让您和您的用户感到满意的现代网站。
vaadin 存在安全漏洞，该漏洞允许本地用户在应用程序重建期间将恶意代码注入前端资源。以下产品及版本受到影响：flow-server versions 2.0.9 through 2.5.2 (Vaadin 14.0.3 through Vaadin 14.5.2), 3.0 prior to 6.0 (Vaadin 15 prior to 19), and 6.0.0 through 6.0.5 (Vaadin 19.0.0 through 19.0.4) 。
solution:Upgrade vaadin flow to a higher version than 2.5.3,5.0.0,6.0.6,and avoid the version [2.0.9,2.5.3),[3.0.0,5.0.0],[6.0.0,6.0.6]; Upgrade vaadin vaadin to a higher version than 14.5.3,19.0.5,and avoid the version [14.0.3,14.5.3),[15.0.0,19.0.5)