CVE-2021-31411

Medium

Description

Insecure temporary directory usage in frontend build functionality of com.vaadin:flow-server versions 2.0.9 through 2.5.2 (Vaadin 14.0.3 through Vaadin 14.5.2), 3.0 prior to 6.0 (Vaadin 15 prior to 19), and 6.0.0 through 6.0.5 (Vaadin 19.0.0 through 19.0.4) allows local users to inject malicious code into frontend resources during application rebuilds.

SeverityMedium
CVSS6.3
Exploit probability—
ProductVaadin Flow
PublishedMay 5, 2021
First seenMay 5, 2021
Weakness typeCWE-379CWE-379

How to fix

Update
  • vaadin flow2.5.3 or later
  • vaadin vaadin14.5.3, 19.0.5 or later
  • com.vaadin:vaadin-bom14.5.3, 19.0.5 or later

Affected products

ProductAffected versionsFixed in
vaadin flow2.0.9 ≤ v < 2.5.3, 3.0.0 ≤ v ≤ 5.0.0, 6.0.0 ≤ v ≤ 6.0.62.5.3
vaadin vaadin14.0.3 ≤ v < 14.5.3, 15.0.0 ≤ v < 19.0.514.5.3, 19.0.5
com.vaadin:vaadin-bomMaven14.0.3 ≤ v < 14.5.3, 15.0.0 ≤ v < 19.0.514.5.3, 19.0.5

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