CVE-2021-33611: Reflected cross-site scripting in vaadin-menu-bar webjar resources in Vaadin 14

Quick answers

Is CVE-2021-33611 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2021-33611 being exploited in the wild.

How severe is CVE-2021-33611?

Low severity, with a CVSS score of 3.1, published 3 November 2021.

Which products and versions are affected?

com.vaadin:vaadin-bom (Maven) ECOSYSTEM:introduced=14.0.0,fixed=14.4.5; org.webjars.bowergithub.vaadin:vaadin-menu-bar (Maven) ECOSYSTEM:introduced=1.0.0,fixed=1.2.1.

Is there a fix for CVE-2021-33611?

Yes. com.vaadin:vaadin-bom (Maven): upgrade to 14.4.5 or later; org.webjars.bowergithub.vaadin:vaadin-menu-bar (Maven): upgrade to 1.2.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

Am I affected by CVE-2021-33611?

Check whether you run com.vaadin:vaadin-bom (Maven) or org.webjars.bowergithub.vaadin:vaadin-menu-bar (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

• com.vaadin:vaadin-bom (Maven): upgrade to 14.4.5 or later

  # set com.vaadin:vaadin-bom to 14.4.5 in your pom.xml or build.gradle

• org.webjars.bowergithub.vaadin:vaadin-menu-bar (Maven): upgrade to 1.2.1 or later

  # set org.webjars.bowergithub.vaadin:vaadin-menu-bar to 1.2.1 in your pom.xml or build.gradle

Affected products

• com.vaadin:vaadin-bom (Maven) ECOSYSTEM:introduced=14.0.0,fixed=14.4.5
• org.webjars.bowergithub.vaadin:vaadin-menu-bar (Maven) ECOSYSTEM:introduced=1.0.0,fixed=1.2.1

Identifiers

• CVE-2021-33611
• GHSA-93c4-vf86-3rj7