Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-31404

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
23/04/2021
Last modified:
30/04/2021

Description

Non-constant-time comparison of CSRF tokens in UIDL request handler in com.vaadin:flow-server versions 1.0.0 through 1.0.13 (Vaadin 10.0.0 through 10.0.16), 1.1.0 prior to 2.0.0 (Vaadin 11 prior to 14), 2.0.0 through 2.4.6 (Vaadin 14.0.0 through 14.4.6), 3.0.0 prior to 5.0.0 (Vaadin 15 prior to 18), and 5.0.0 through 5.0.2 (Vaadin 18.0.0 through 18.0.5) allows attacker to guess a security token via timing attack.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 2.50 LOW
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): None
Availability (A): None

Base Score 3.x
2.50
Severity 3.x
LOW
Vector 2.0
AV:L/AC:M/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 1.90 LOW
Vector: AV:L/AC:M/Au:N/C:P/I:N/A:N

Attack Vector (AV): Local
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0
1.90
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:vaadin:flow:*:*:*:*:*:*:*:* 1.0.0 (including) 1.0.14 (excluding)
cpe:2.3:a:vaadin:flow:*:*:*:*:*:*:*:* 1.1.0 (including) 2.0.0 (excluding)
cpe:2.3:a:vaadin:flow:*:*:*:*:*:*:*:* 2.0.0 (including) 2.4.7 (excluding)
cpe:2.3:a:vaadin:flow:*:*:*:*:*:*:*:* 3.0.0 (including) 5.0.0 (excluding)
cpe:2.3:a:vaadin:flow:*:*:*:*:*:*:*:* 5.0.0 (including) 5.0.3 (excluding)
cpe:2.3:a:vaadin:vaadin:*:*:*:*:*:*:*:* 10.0.0 (including) 10.0.17 (excluding)
cpe:2.3:a:vaadin:vaadin:*:*:*:*:*:*:*:* 11.0.0 (including) 14.0.0 (excluding)
cpe:2.3:a:vaadin:vaadin:*:*:*:*:*:*:*:* 14.0.0 (including) 14.4.7 (excluding)
cpe:2.3:a:vaadin:vaadin:*:*:*:*:*:*:*:* 15.0.0 (including) 17.0.0 (excluding)
cpe:2.3:a:vaadin:vaadin:*:*:*:*:*:*:*:* 18.0.0 (including) 18.0.6 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools