What is GHSA-6hgr-2g6q-3rmc?

GHSA-6hgr-2g6q-3rmc is a security advisory published by GitHub Security Advisories with Medium severity. Server session is not invalidated when logout() helper method of Authentication module is used in Vaadin 18-19

Why does GHSA-6hgr-2g6q-3rmc have no CVE ID yet?

GitHub Security Advisories published this advisory directly to customers before NVD assigned a CVE ID. This is the embargo-window disclosure pattern — vendors notify customers on day 0; NVD's public record follows days to weeks later.

What is the CVSS v3 score of GHSA-6hgr-2g6q-3rmc?

GHSA-6hgr-2g6q-3rmc has a CVSS v3 base score of 6.3, published by GitHub Security Advisories.

Which products are affected by GHSA-6hgr-2g6q-3rmc?

GHSA-6hgr-2g6q-3rmc affects 1 product, including: maven/com.vaadin:flow-client:\u003e= 5.0.0, \u003c 6.0.5.

GHSA-6hgr-2g6q-3rmcMediumCVSS 6.3Disclosed before NVD

Server session is not invalidated when logout() helper method of Authentication module is used in Vaadin 18-19

Vendor

GitHub Security Advisories

Published

April 22, 2021

Last Modified

April 17, 2023

📋 Description

Authentication.logout() helper in com.vaadin:flow-client versions 5.0.0 prior to 6.0.0 (Vaadin 18), and 6.0.0 through 6.0.4 (Vaadin 19.0.0 through 19.0.3) uses incorrect HTTP method, which, in combination with Spring Security CSRF protection, allows local attackers to access Fusion endpoints after the user attempted to log out.

https://vaadin.com/security/cve-2021-31408

🎯 Affected products1

maven/com.vaadin:flow-client:>= 5.0.0, < 6.0.5

🔗 References (5)

https://github.com/vaadin/flow/security/advisories/GHSA-6hgr-2g6q-3rmc
https://github.com/vaadin/flow/pull/10577
https://github.com/vaadin/flow/commit/815b967fc84fefa8d3a4d72b9a036f48b0d96326
https://vaadin.com/security/cve-2021-31408
https://github.com/advisories/GHSA-6hgr-2g6q-3rmc