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CVE-2021-31406

Timing side channel vulnerability in endpoint request handler in Vaadin 15-19

Published: Apr 23, 2021Updated: Nov 21, 2024 Sources: CVE List NVD GHSACWE-208
NVD MITRE
4.0CVSSMEDIUM
EPSS Score
0.2%
Top 88.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Non-constant-time comparison of CSRF tokens in endpoint request handler in com.vaadin:flow-server versions 3.0.0 through 5.0.3 (Vaadin 15.0.0 through 18.0.6), and com.vaadin:fusion-endpoint version 6.0.0 (Vaadin 19.0.0) allows attacker to guess a security token for Fusion endpoints via timing attack.

CVSS Vector Breakdown

AV:LAC:HPR:NUI:NS:UC:LI:LA:N
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-208CWE-203

Affected Products

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

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Discovery
View detailed technique mapping

References

https://github.com/vaadin/flow/pull/10157
github.com
https://vaadin.com/security/cve-2021-31406
vaadin.com
https://github.com/vaadin/flow/security/advisories/GHSA-p7jq-v8jp-j424
github.com
and 1 more references View all →

Timeline

Published
Apr 23, 2021
Last Updated
Nov 21, 2024

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