CVE-2021-31406

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 v3 2.5 LOW
CVSS v2.0 1.9 LOW

2.5^/10

CVSS v3 : LOW

Vector :

Exploitability : 1.0 / Impact : 1.4

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

1.9^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:M/Au:N/C:P/I:N/A:N

Exploitability : 3.4 / Impact : 2.9

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://github.com/vaadin/flow/pull/10157	Patch Third Party Advisory
https://vaadin.com/security/cve-2021-31406	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:vaadin:flow::::::::
	cpe:2.3:a:vaadin:flow:6.0.0:-::::::
	cpe:2.3:a:vaadin:vaadin::::::::
	cpe:2.3:a:vaadin:vaadin:19.0.0:-::::::

History

30 Apr 2021, 19:01

Type	Values Removed	Values Added
References	~~(CONFIRM) https://github.com/vaadin/flow/pull/10157 -~~	(CONFIRM) https://github.com/vaadin/flow/pull/10157 - Patch, Third Party Advisory
References	~~(CONFIRM) https://vaadin.com/security/cve-2021-31406 -~~	(CONFIRM) https://vaadin.com/security/cve-2021-31406 - Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 1.9 v3 : 2.5
CWE		CWE-203
CPE		cpe:2.3:a:vaadin:flow:::::::: cpe:2.3:a:vaadin:vaadin:19.0.0:-:::::: cpe:2.3:a:vaadin:flow:6.0.0:-:::::: cpe:2.3:a:vaadin:vaadin::::::::

23 Apr 2021, 16:30

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-04-23 16:15

Updated : 2023-12-10 13:55

NVD link : CVE-2021-31406

Mitre link : CVE-2021-31406

CVE.ORG link : CVE-2021-31406

JSON object : View

Products Affected

vaadin

vaadin
flow

CWE

CWE-203

Observable Discrepancy

CWE-208

Observable Timing Discrepancy

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