Incorrect Authorization Affecting mosquitto package, versions <2.0.11-1.2+deb12u1


Severity

Recommended
0.0
medium
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
1.37% (69th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-DEBIAN12-MOSQUITTO-1577272
  • published31 Aug 2021
  • disclosed30 Aug 2021

Introduced: 30 Aug 2021

CVE-2021-34434  (opens in a new tab)
CWE-863  (opens in a new tab)

How to fix?

Upgrade Debian:12 mosquitto to version 2.0.11-1.2+deb12u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mosquitto package and not the mosquitto package as distributed by Debian. See How to fix? for Debian:12 relevant fixed versions and status.

In Eclipse Mosquitto versions 2.0 to 2.0.11, 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