CVE-2020-11020 HIGH

CVE-2020-11020: Authentication and extension bypass in Faye

Vendor Faye
Product Faye
Weakness CWE-287 · Improper authentication
Published April 29, 2020
Last update August 4, 2024

CVSS base score

8.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 29, 2020 CVE published
August 4, 2024 Record updated