cvedb.io
CVE-2021-31406
MEDIUM · CVSS 4
EPSS exploitation probability: 0%
Published 2021-04-23T16:15:08.727 · Last modified 2026-06-17T03:51:43.330

Summary

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

vaadin — flow

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.