CVE-2020-36321 MEDIUM

CVE-2020-36321: Directory traversal in development mode handler in Vaadin 14 and 15-17

Vendor Vaadin
Product Vaadin
Weakness CWE-22 · Path traversal
Published April 23, 2021
Last update September 17, 2024

CVSS base score

5.9/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Improper URL validation in development mode handler in com.vaadin:flow-server versions 2.0.0 through 2.4.1 (Vaadin 14.0.0 through 14.4.2), and 3.0 prior to 5.0 (Vaadin 15 prior to 18) allows attacker to request arbitrary files stored outside of intended frontend resources folder.

Key dates

02Disclosure timeline

April 23, 2021 CVE published
September 17, 2024 Record updated