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 4.0 MEDIUM
CVSS v2.0 1.9 LOW

4.0^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.4 / Impact : 2.5

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

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
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

21 Nov 2024, 06:05

Type	Values Removed	Values Added
References	~~() https://github.com/vaadin/flow/pull/10157 - Patch, Third Party Advisory~~	() https://github.com/vaadin/flow/pull/10157 - Patch, Third Party Advisory
References	~~() https://vaadin.com/security/cve-2021-31406 - Vendor Advisory~~	() https://vaadin.com/security/cve-2021-31406 - Vendor Advisory
CVSS	v2 : ~~1.9~~ v3 : ~~2.5~~	v2 : 1.9 v3 : 4.0

Information

Published : 2021-04-23 16:15

Updated : 2024-11-21 06:05

NVD link : CVE-2021-31406

Mitre link : CVE-2021-31406

CVE.ORG link : CVE-2021-31406

JSON object : View

Products Affected

vaadin

flow
vaadin

CWE

CWE-208

Observable Timing Discrepancy

CWE-203

Observable Discrepancy

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