StackPatch is liveSee product

Back to CVE digest
CVE-2020-15133 · cross-distro fix matrix

CVE-2020-15133: In faye-websocket before version 0.11.0, there is a lack of certification validation in TLS handshakes. The `Faye::WebSocket::Client` class uses the `EM::Connection#start_tls` method in EventMachine to implement the TLS handshake whenever a `wss:` URL is used for the connection. This method does not

Affects 3 Linux releases across 3 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2020-15133 has a known fix. Run the listed command on that distro to remediate.

Debian bullseye

Source: Debian Security Tracker

  • ruby-faye-websocket→ fixed in0.11.0-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y ruby-faye-websocket

Debian bookworm

Source: Debian Security Tracker

  • ruby-faye-websocket→ fixed in0.11.0-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y ruby-faye-websocket

Debian trixie

Source: Debian Security Tracker

  • ruby-faye-websocket→ fixed in0.11.0-1urgency: not yet assigned
    sudo apt-get install --only-upgrade -y ruby-faye-websocket
Are YOU affected by CVE-2020-15133?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash
Continuous monitoring beats manual checking

CVE-2020-15133dropped silently in your distro's update channel. Every new CVE is the same story. StackPatch runs the matcher hourly against all 5 sources and emails the exact remediation when something new applies to one of your servers. $99 lifetime, 50 founder seats, 30-day refund.

See StackPatch ($99 lifetime)