CVE-2021-34434

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-285CWE-863

Affected software

No affected versions have been published.

Timeline

Published
Aug 30, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-34434: Medium severity, CVSS 5.3 | Vulnix