Kurz gesagt
- CVE-2021-31406 ist eine Schwachstelle (NIEDRIG (CVSS 2.5)) in com.vaadin:flow-server, flow (vaadin), vaadin (vaadin).
- Wahrscheinlichkeit einer Ausnutzung in den nächsten 30 Tagen (EPSS): 0.21%, höher als bei 11.3% aller Schwachstellen.
- Abhilfe: auf 5.0.4, 6.0.1, 18.0.7 oder neuer aktualisieren.
| Package | Affected versions | Patched versions |
|---|
| com.vaadin:flow-server Maven | ≥ 3.0.0, < 5.0.4≥ 6.0.0, < 6.0.1
| 5.0.46.0.1
|
| flow | = 6.0.0≥ 3.0.0, < 5.0.4
| 5.0.4
|
| vaadin | = 19.0.0≥ 15.0.0, < 18.0.7
| 18.0.7
|
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.
NVD 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.
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