CVE-2021-31408
Medium
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.
SeverityMedium
CVSS6.3
Exploit probability—
Product
Vaadin Flow
PublishedApr 23, 2021
First seenApr 23, 2021
Weakness typeCWE-613CWE-613
How to fix
Update
- vaadin flow6.0.0, 6.0.5 or later
- vaadin vaadin19.0.4 or later
- com.vaadin:vaadin-bom19.0.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| vaadin flow | 5.0.0 ≤ v < 6.0.0, 6.0.0 ≤ v < 6.0.5 | 6.0.0, 6.0.5 |
| vaadin vaadin | 19.0.0 ≤ v < 19.0.4, 18.0.0 | 19.0.4 |
| com.vaadin:vaadin-bomMaven | 18.0.0 ≤ v < 19.0.4 | 19.0.4 |
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