CVE-2021-31406

Non-constant-time comparison of CSRF tokens in endpoint request handler in com.vaadin:flow-server versions 3.0.0 through 5.0.3 Vaadin 15.0.0 through 18.0.6, and com.vaadin:fusion-endpoint version 6.0.0 Vaadin 19.0.0 allows attacker to guess a security token for Fusion endpoints via timing attack...

Cross site request forgery (csrf)

Non-constant-time comparison of CSRF tokens in endpoint request handler in com.vaadin:flow-server versions 3.0.0 through 5.0.3 Vaadin 15.0.0 through 18.0.6, and com.vaadin:fusion-endpoint version 6.0.0 Vaadin 19.0.0 allows attacker to guess a security token for Fusion endpoints via timing attack...