CVE-2021-31403 MEDIUM

CVE-2021-31403: Timing side channel vulnerability in UIDL request handler in Vaadin 7 and 8

Vendor Vaadin
Product Vaadin
Weakness CWE-208
Published April 23, 2021
Last update September 16, 2024

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 UIDL request handler in com.vaadin:vaadin-server versions 7.0.0 through 7.7.23 (Vaadin 7.0.0 through 7.7.23), and 8.0.0 through 8.12.2 (Vaadin 8.0.0 through 8.12.2) allows attacker to guess a security token via timing attack

Key dates

02Disclosure timeline

April 23, 2021 CVE published
September 16, 2024 Record updated