UBUNTU-CVE-2020-11020

Source
https://ubuntu.com/security/CVE-2020-11020
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-11020.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-11020
Published
2020-04-29T18:15:00Z
Modified
2025-07-14T06:45:17.073905Z
Upstream
Severity
  • 8.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N CVSS Calculator
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • - medium
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:Pro:20.04:LTS / ruby-faye

Package

Name
ruby-faye
Purl
pkg:deb/ubuntu/ruby-faye@1.2.4-1?arch=source&distro=esm-apps/focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.2.4-1

Ubuntu:22.04:LTS / ruby-faye

Package

Name
ruby-faye
Purl
pkg:deb/ubuntu/ruby-faye@1.4.0-1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.4.0-1

Ubuntu:24.04:LTS / ruby-faye

Package

Name
ruby-faye
Purl
pkg:deb/ubuntu/ruby-faye@1.4.0-1?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.4.0-1

Ubuntu:25.04 / ruby-faye

Package

Name
ruby-faye
Purl
pkg:deb/ubuntu/ruby-faye@1.4.0-1?arch=source&distro=plucky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.4.0-1