CVE-2021-33604 LOW

CVE-2021-33604: Reflected cross-site scripting in development mode handler in Vaadin 14, 15-19

Vendor Vaadin
Product Vaadin
Weakness CWE-172
Published June 24, 2021
Last update September 17, 2024

CVSS base score

2.5/10
Attack vector Local
Attack complexity High
Privileges required None
User interaction Required
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N

What the vulnerability does

01Description

URL encoding error in development mode handler in com.vaadin:flow-server versions 2.0.0 through 2.6.1 (Vaadin 14.0.0 through 14.6.1), 3.0.0 through 6.0.9 (Vaadin 15.0.0 through 19.0.8) allows local user to execute arbitrary JavaScript code by opening crafted URL in browser.

Key dates

02Disclosure timeline

June 24, 2021 CVE published
September 17, 2024 Record updated