Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Vaadin | Vaadin | 19.0.0, 15.0.0 | — |
| Vaadin | flow-server | 6.0.0, 3.0.0 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | com.vaadin:flow-server | >= 3.0.0, < 5.0.4 | 5.0.4 | GHSA-p7jq-v8jp-j424 |
| Maven | com.vaadin:flow-server | >= 6.0.0, < 6.0.1 | 6.0.1 | GHSA-p7jq-v8jp-j424 |