CVE-2021-34434

Medium

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.

SeverityMedium

CVSS5.3

Exploit probability—

Product

Eclipse Mosquitto

PublishedAug 30, 2021

First seenAug 30, 2021

Weakness typeCWE-285CWE-285

How to fix

Vendor advisories

lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K4WWGVF5BUFPYPCFUPPP4KRIYI5OTJN2/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RLUUM52Y6AEICPXPSRRXC6OBY4H5XKW7/
debian.org/security/2023/dsa-5511

Affected products

Product	Affected versions	Fixed in
eclipse mosquitto	2.0.0 ≤ v ≤ 2.0.11	—
fedoraproject fedora	34, 35	—

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