Information Exposure Through Discrepancy in maven/com.vaadin/flow-server
Information Exposure Through Discrepancy
Non-constant-time comparison of CSRF tokens in UIDL request handler in com.vaadin:flow-server allows attacker to guess a security token via timing attack.
All versions starting from 1.0.0 through 1.0.13, all versions starting from 1.1 through 1.4, all versions starting from 2.0.0 through 2.4.6, all versions starting from 3.0 through 4.0, all version starting from 5.0.0 through 5.0.2
Upgrade to versions 1.0.14, 2.4.7, 5.0.3, or higher.