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How to find Apache ActiveMQ instances

, by HD Moore

How to find Apache ActiveMQ® instances #

On October 25th the Apache team announced a vulnerability (CVE-2023-46604) in ActiveMQ that could lead to unauthenticated remote code execution. Shortly after the issue was disclosed exploits started to appear and the Rapid7 MDR team posted a blog speculating that this vulnerability is being used to deliver ransomware. The Apache ActiveMQ project scored this as CVSS 3.1: AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H(10.0).

What is Apache ActiveMQ®? #

ApacheMQ® is an open source message broker written in Java that supports AMQP, MQTT, STOMP, and JMS clients. Apache ActiveMQ describes itself as “the most popular open source, multi-protocol, Java-based message broker. It supports industry standard protocols so users get the benefits of client choices across a broad range of languages and platforms.”. ActiveMQ is used for custom application development and is often embedded into commercial product stacks.

Are updates available? #

The Apache ActiveMQ team has addressed this issue in versions 5.18.3, 5.17.6, 5.16.7, and 5.15.16, with the appropriate update dependent on which minor version is used.

How do I find potentially vulnerable versions of ActiveMQ with runZero? #

Apache ActiveMQ services can be found by navigating to the Asset Inventory and using the following query:

port:61616 OR product:activemq OR protocol:activemq

Results from the above query should be triaged to determine if they require patching or vendor intervention.

As always, any prebuilt queries are available from your runZero console. Check out the documentation for other useful inventory queries.

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HD Moore
Written by HD Moore

HD Moore is the co-founder and CEO of runZero. Previously, he founded the Metasploit Project and served as the main developer of the Metasploit Framework, which is the world's most widely used penetration testing framework.

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