GHSA-HW7R-QRHP-5PFF Unauthorized property update in CheckboxGroup component in Vaadin 12-14 and 15-20

Improper check in CheckboxGroup in com.vaadin:vaadin-checkbox-flow versions 1.2.0 prior to 2.0.0 Vaadin 12.0.0 prior to 14.0.0, 2.0.0 prior to 3.0.0 Vaadin 14.0.0 prior to 14.5.0, 3.0.0 through 4.0.1 Vaadin 15.0.0 through 17.0.11, 14.5.0 through 14.6.7 Vaadin 14.5.0 through 14.6.7, and 18.0.0...