CVE-2021-31406 MEDIUM

CVE-2021-31406: Timing side channel vulnerability in endpoint request handler in Vaadin 15-19

Vendor Vaadin
Product Vaadin
Weakness CWE-208
Published April 23, 2021
Last update September 17, 2024
View on NVD All CVEs

CVSS base score

4.0/10
Attack vector Local
Attack complexity High
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 23, 2021 CVE published
September 17, 2024 Record updated