CVE-2021-31404

Timing side channel vulnerability in UIDL request handler in Vaadin 10, 11-14, and 15-18

Published Apr 23, 2021 CVSS 3.1 · 4 Medium EPSS < 1% KEV · Not listed
Description
Non-constant-time comparison of CSRF tokens in UIDL request handler in com.vaadin:flow-server versions 1.0.0 through 1.0.13 (Vaadin 10.0.0 through 10.0.16), 1.1.0 prior to 2.0.0 (Vaadin 11 prior to 14), 2.0.0 through 2.4.6 (Vaadin 14.0.0 through 14.4.6), 3.0.0 prior to 5.0.0 (Vaadin 15 prior to 18), and 5.0.0 through 5.0.2 (Vaadin 18.0.0 through 18.0.5) allows attacker to guess a security token via timing attack.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-0890 Non-constant-time comparison of CSRF tokens in UIDL request handler in com.vaadin:flow-server versions 1.0.0 through 1.0.13 (Vaadin 10.0.0 through 10.0.16), 1.1.0 prior to 2.0.0 (Vaadin 11 prior to 14), 2.0.0 through 2.4.6 (Vaadin 14.0.0 through 14.4.6), 3.0.0 prior to 5.0.0 (Vaadin 15 prior to 18), and 5.0.0 through 5.0.2 (Vaadin 18.0.0 through 18.0.5) allows attacker to guess a security token via timing attack.
Github GHSA Github GHSA GHSA-xwg3-qrcg-w9x6 Timing side channel vulnerability in UIDL request handler in Vaadin 10, 11-14, and 15-18
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
Vaadin
Published
Updated
Sep 16, 2024, 11:46 PM
Reserved
Apr 15, 2021, 12:00 AM
Status
Modified
Published
Apr 23, 2021, 4:15 PM
Modified
Jun 17, 2026, 3:51 AM