NetSight
medium6.3

CVE-2021-31408

Authentication.logout() helper in com.vaadin:flow-client versions 5.0.0 prior to 6.0.0 (Vaadin 18), and 6.0.0 through 6.0.4 (Vaadin 19.0.0 through 19.0.3) uses…

Impact

Authentication.logout() helper in com.vaadin:flow-client versions 5.0.0 prior to 6.0.0 (Vaadin 18), and 6.0.0 through 6.0.4 (Vaadin 19.0.0 through 19.0.3) uses incorrect HTTP method, which, in combination with Spring Security CSRF protection, allows local attackers to access Fusion endpoints after the user attempted to log out.

Affected products

VendorProductAffected versions
VaadinFlow
from 5.0.0 before 6.0.0
from 6.0.0 before 6.0.5
VaadinVaadin
from 19.0.0 before 19.0.4
Version 18.0.0

Weakness classification

References