CVE catalog

CVE-2020-11020

ruby-faye: CVE-2020-11020

[CVE catalog]

Severity
Medium
Published
Source
[NVD] · [CVE record]
EPSS
1.57% · Oct 25, 2026

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.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Debianruby-fayebookworm1.4.0-1fixed
Ubunturuby-faye20.041.2.4-1vulnerable
Ubunturuby-faye22.041.4.0-1vulnerable
Ubunturuby-faye24.041.4.0-1vulnerable

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debianruby-fayesourcebookworm1.4.0-1not yet assignedNot reported[959392]

[Debian bug #959392]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

  • [ruby-faye]Fixed
    Details (2)
    • 1.4.0-1 · all · bookworm

      Fixed · Fixed: 1.4.0-1

      dsa · ruby-faye · debian · bookworm; dsa · ruby-faye · debian · 12

    • 1.4.0-1 · all · bookworm

      Fixed · Fixed: 1.4.0-1

      dsa · ruby-faye · debian · bookworm; dsa · ruby-faye · debian · 12

Observed:

References