PT-2021-20231 · Vaadin · Vaadin+1

Published 2021-11-02 · Updated 2021-11-03 · CVE-2021-33611

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions: org.webjars.bowergithub.vaadin:vaadin-menu-bar versions 1.0.0 through 1.2.0 Vaadin versions 14.0.0 through 14.4.4

Description: The issue is related to missing output sanitization in test sources, allowing remote attackers to execute malicious JavaScript in a browser by opening a crafted URL.

Recommendations: For org.webjars.bowergithub.vaadin:vaadin-menu-bar versions 1.0.0 through 1.2.0, update to a version outside of the affected range to resolve the issue. For Vaadin versions 14.0.0 through 14.4.4, update to a version outside of the affected range to resolve the issue.

Exploit

Fix

RCE

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-33611

GHSA-93C4-VF86-3RJ7

Affected Products

Vaadin

Vaadin-Menu-Bar

References · 9

• 🔥 https://vaadin.com/security/cve-2021-33611 · Exploit
• https://github.com/vaadin/vaadin-menu-bar/pull/126 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-33611 · Security Note
• https://osv.dev/vulnerability/GHSA-93c4-vf86-3rj7 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-33611 · Vendor Advisory
• https://github.com/vaadin/platform · Note
• https://github.com/vaadin/platform/security/advisories/GHSA-93c4-vf86-3rj7 · Note
• https://t.me/cvenotify/22867 · Telegram Post
• https://t.me/cibsecurity/31588 · Telegram Post