CVE-2020-36321

MEDIUM5.9EPSS 0.55%

Directory traversal in development mode handler in Vaadin 14 and 15-17

Published: 4/19/2021Modified: 11/8/2023

Description

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. - https://vaadin.com/security/cve-2020-36321

Affected packages (1)

Maven/com.vaadin:flow-server>= 3.0.0, < 5.0.0

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	MEDIUM5.9	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

References (4)

ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2020-36321
WEBhttps://github.com/vaadin/flow/pull/9392
WEBhttps://github.com/vaadin/flow/security/advisories/GHSA-49r2-73m6-pp8f
WEBhttps://vaadin.com/security/cve-2020-36321