CVE-2021-31406 – com.vaadin:flow-server

Package

Manager: maven
Name: com.vaadin:flow-server
Vulnerable Version: >=3.0.0 <5.0.4 || =6.0.0 || >=6.0.0 <6.0.1

Severity

Level: Medium

CVSS v3.1: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

CVSS v4.0: CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

EPSS: 0.00054 pctl0.16855

Details

Timing side channel vulnerability in endpoint request handler in Vaadin 15-19 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. - https://vaadin.com/security/cve-2021-31406

Metadata

Created: 2021-04-19T14:50:38Z
Modified: 2021-04-16T23:15:49Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/04/GHSA-p7jq-v8jp-j424/GHSA-p7jq-v8jp-j424.json
CWE IDs: ["CWE-203", "CWE-208"]
Alternative ID: GHSA-p7jq-v8jp-j424
Finding: F026
Auto approve: 1