Advisory Weakness Curation

Timing side channel vulnerability in endpoint request handler in Vaadin 15-19 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. - https://vaadin.com/security/cve-2021-31406

Information Exposure Through Discrepancy A non-constant-time comparison of CSRF tokens in endpoint request handler in `com.vaadin:flow-server`, and `com.vaadin:fusion-endpoint` allows an attacker to guess a security token for Fusion endpoints via timing attack.

Information Exposure Through Discrepancy Non-constant-time comparison of CSRF tokens in endpoint request handler allows attacker to guess a security token for Fusion endpoints via timing attack.

Information Exposure Through Discrepancy Non-constant-time comparison of CSRF tokens in endpoint request handler in `com.vaadin:flow-server` allows attacker to guess a security token for Fusion endpoints via timing attack.

Information Exposure Through Discrepancy Non-constant-time comparison of CSRF tokens in endpoint request handler in com.vaadin:fusion-endpoint allows attacker to guess a security token for Fusion endpoints via timing attack.

Information Exposure Through Discrepancy A non-constant-time comparison of CSRF tokens in endpoint request handler in `com.vaadin:flow-server`, and `com.vaadin:fusion-endpoint` allows attacker to guess a security token for Fusion endpoints via timing attack.