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diff --git a/deps/rabbitmq_cli/lib/rabbitmq/cli/diagnostics/commands/certificates_command.ex b/deps/rabbitmq_cli/lib/rabbitmq/cli/diagnostics/commands/certificates_command.ex
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+++ b/deps/rabbitmq_cli/lib/rabbitmq/cli/diagnostics/commands/certificates_command.ex
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+## This Source Code Form is subject to the terms of the Mozilla Public
+## License, v. 2.0. If a copy of the MPL was not distributed with this
+## file, You can obtain one at https://mozilla.org/MPL/2.0/.
+##
+## Copyright (c) 2007-2020 VMware, Inc. or its affiliates.  All rights reserved.
+
+defmodule RabbitMQ.CLI.Diagnostics.Commands.CertificatesCommand do
+  alias RabbitMQ.CLI.Core.DocGuide
+  @behaviour RabbitMQ.CLI.CommandBehaviour
+
+  import RabbitMQ.CLI.Core.Listeners
+
+  use RabbitMQ.CLI.Core.MergesNoDefaults
+  use RabbitMQ.CLI.Core.AcceptsNoPositionalArguments
+
+  def run([], %{node: node_name, timeout: timeout}) do
+    case :rabbit_misc.rpc_call(node_name, :rabbit_networking, :active_listeners, [], timeout) do
+      {:error, _} = err ->
+        err
+
+      {:error, _, _} = err ->
+        err
+
+      xs when is_list(xs) ->
+        listeners = listeners_with_certificates(listeners_on(xs, node_name))
+
+        case listeners do
+          [] -> %{}
+          _ -> Enum.map(listeners, &listener_certs/1)
+        end
+
+      other ->
+        other
+    end
+  end
+
+  use RabbitMQ.CLI.DefaultOutput
+
+  def formatter(), do: RabbitMQ.CLI.Formatters.Erlang
+
+  def usage, do: "certificates"
+
+  def usage_doc_guides() do
+    [
+      DocGuide.configuration(),
+      DocGuide.tls()
+    ]
+  end
+
+  def help_section(), do: :configuration
+
+  def description(), do: "Displays certificates (public keys) for every listener on target node that is configured to use TLS"
+
+  def banner(_, %{node: node_name}), do: "Certificates of node #{node_name} ..."
+end