# DoS Vulnerability open-source MQTT brokers

**URL:** <https://discourse.nodered.org/t/dos-vulnerability-open-source-mqtt-brokers/46872>\
**Category:** General\
**Created:** [8 June 2021 20:27 UTC](https://discourse.nodered.org/t/dos-vulnerability-open-source-mqtt-brokers/46872 "2021-06-08T20:27:09Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![smithy](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/smithy/32/37804_2.png) [@smithy](https://discourse.nodered.org/u/smithy)\
**Post date:** [8 June 2021 20:27 UTC](https://discourse.nodered.org/t/dos-vulnerability-open-source-mqtt-brokers/46872/1 "2021-06-08T20:27:09Z")

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I thought it might be useful for MQTT users to know that The Register posted a story today that RabbitMQ, EMQ X and VerneMQ are all vulnerable. CVE-2021-22116, CVE-2021-33175, and CVE-2021-33176.

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [7 August 2021 20:28 UTC](https://discourse.nodered.org/t/dos-vulnerability-open-source-mqtt-brokers/46872/2 "2021-08-07T20:28:01Z")

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