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Improper Authorization Affecting mosquitto package, versions <2.0.12

0.0
medium

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 0.15% (51st percentile)
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NVD
5.3 medium

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  • Snyk ID SNYK-COCOAPODS-MOSQUITTO-1932559
  • published 29 Nov 2021
  • disclosed 29 Nov 2021
  • credit Unknown
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Introduced: 29 Nov 2021

CVE-2021-34434 Open this link in a new tab
CWE-285 Open this link in a new tab

How to fix?

Upgrade Mosquitto to version 2.0.12 or higher.

Overview

Mosquitto is an open source implementation of a server for version 3.1 and 3.1.1 of the MQTT protocol.

Affected versions of this package are vulnerable to Improper Authorization. When using the dynamic security plugin, if the ability for a client to make subscriptions on a topic is revoked when a durable client is offline, then existing subscriptions for that client are not revoked.