Improper Authorization Affecting mosquitto package, versions <2.0.12


Severity

Recommended
0.0
medium
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.17% (56th percentile)

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  • Snyk IDSNYK-COCOAPODS-MOSQUITTO-1932559
  • published29 Nov 2021
  • disclosed29 Nov 2021
  • creditUnknown

Introduced: 29 Nov 2021

CVE-2021-34434  (opens in a new tab)
CWE-285  (opens 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.

CVSS Base Scores

version 3.1