CVE-2020-11020

Severity CVSS v4.0:

Pending analysis

Type:

CWE-287 Authentication Issues

Publication date:

29/04/2020

Last modified:

06/05/2020

Description

Faye (NPM, RubyGem) versions greater than 0.5.0 and before 1.0.4, 1.1.3 and 1.2.5, has the potential for authentication bypass in the extension system. The vulnerability allows any client to bypass checks put in place by server-side extensions, by appending extra segments to the message channel. It is patched in versions 1.0.4, 1.1.3 and 1.2.5.

Impact

Vector 3.x

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

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x

9.80

Severity 3.x

CRITICAL

Vector 2.0

AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

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

Base Score 2.0

7.50

Severity 2.0

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:faye_project:faye::::::node.js::*	0.5.0 (excluding)	1.0.4 (excluding)
cpe:2.3:a:faye_project:faye::::::ruby::*	0.5.0 (excluding)	1.0.4 (excluding)
cpe:2.3:a:faye_project:faye::::::node.js::*	1.1.0 (including)	1.1.3 (excluding)
cpe:2.3:a:faye_project:faye::::::ruby::*	1.1.0 (including)	1.1.3 (excluding)
cpe:2.3:a:faye_project:faye::::::node.js::*	1.2.0 (including)	1.2.5 (excluding)
cpe:2.3:a:faye_project:faye::::::ruby::*	1.2.0 (including)	1.2.5 (excluding)

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

CVE-2020-11020

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools