CVE-2021-31407

HIGH

com.vaadin:flow-server <2.4.7, Vaadin <14.4.9 - RCE

Title source: llm

Description

Vulnerability in OSGi integration in com.vaadin:flow-server versions 1.2.0 through 2.4.7 (Vaadin 12.0.0 through 14.4.9), and 6.0.0 through 6.0.1 (Vaadin 19.0.0) allows attacker to access application classes and resources on the server via crafted HTTP request.

Scores

CVSS v3 8.6
EPSS 0.0180
EPSS Percentile 82.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Classification

CWE
CWE-668 CWE-402
Status published

Affected Products (4)

vaadin/flow < 2.4.8
vaadin/vaadin < 14.4.10
vaadin/vaadin
com.vaadin/flow-server < 2.4.8Maven

Timeline

Published Apr 23, 2021
Tracked Since Feb 18, 2026