National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2020-11020 Detail

Current 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.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 9.8 CRITICAL
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Nist CVSS score does not match with CNA score
CNA:  GitHub, Inc.
Base Score: 8.5 HIGH
Vector:  CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/faye/faye/commit/65d297d341b607f3cb0b5fa6021a625a991cc30e Patch Third Party Advisory
https://github.com/faye/faye/security/advisories/GHSA-qpg4-4w7w-2mq5 Exploit Mitigation Third Party Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-287 Improper Authentication NIST   GitHub, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:faye_project:faye:*:*:*:*:*:node.js:*:*
     Show Matching CPE(s)
From (excluding)
0.5.0
Up to (excluding)
1.0.4
 cpe:2.3:a:faye_project:faye:*:*:*:*:*:ruby:*:*
     Show Matching CPE(s)
From (excluding)
0.5.0
Up to (excluding)
1.0.4
 cpe:2.3:a:faye_project:faye:*:*:*:*:*:node.js:*:*
     Show Matching CPE(s)
From (including)
1.1.0
Up to (excluding)
1.1.3
 cpe:2.3:a:faye_project:faye:*:*:*:*:*:ruby:*:*
     Show Matching CPE(s)
From (including)
1.1.0
Up to (excluding)
1.1.3
 cpe:2.3:a:faye_project:faye:*:*:*:*:*:node.js:*:*
     Show Matching CPE(s)
From (including)
1.2.0
Up to (excluding)
1.2.5
 cpe:2.3:a:faye_project:faye:*:*:*:*:*:ruby:*:*
     Show Matching CPE(s)
From (including)
1.2.0
Up to (excluding)
1.2.5


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-11020
NVD Published Date:
04/29/2020
NVD Last Modified:
05/06/2020