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CVE-2020-36321

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

Published: Apr 23, 2021Updated: Nov 21, 2024 Sources: CVE List NVD GHSACWE-22
NVD MITRE
5.9CVSSMEDIUM
EPSS Score
1.2%
Top 35.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-22

Affected Products

VaadinVaadin
LibraryLibrary
OSS Libraries / web-framework
flow-serverVaadin
Mixed
OSS Libraries / web-framework
com.vaadin:flow-serverMavenOSS Libraries
flowvaadin
Mixed
OSS Libraries / web-framework
vaadinvaadin
LibraryLibrary
OSS Libraries / web-framework
vaadincommercialOSS Libraries
mavenpackage-ecosystemOSS Libraries

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Collection
Discovery
View detailed technique mapping

References

https://vaadin.com/security/cve-2020-36321
vaadin.com
https://github.com/vaadin/flow/pull/9392
github.com
https://github.com/vaadin/flow/security/advisories/GHSA-49r2-73m6-pp8f
github.com
and 1 more references View all →

Timeline

Published
Apr 23, 2021
Last Updated
Nov 21, 2024

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