Vulnerability Details CVE-2021-34434
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 48.4%
CVSS Severity
CVSS v3 Score 5.3
CVSS v2 Score 5.0
References
- https://bugs.eclipse.org/bugs/show_bug.cgi?id=575324
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K4WWGVF5BUFPYPCFUPPP4KRIYI5OTJN2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RLUUM52Y6AEICPXPSRRXC6OBY4H5XKW7/
- https://www.debian.org/security/2023/dsa-5511
- https://bugs.eclipse.org/bugs/show_bug.cgi?id=575324
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K4WWGVF5BUFPYPCFUPPP4KRIYI5OTJN2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RLUUM52Y6AEICPXPSRRXC6OBY4H5XKW7/
- https://www.debian.org/security/2023/dsa-5511
Products affected by CVE-2021-34434
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cpe:2.3:a:eclipse:mosquitto:2.0.0
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cpe:2.3:a:eclipse:mosquitto:2.0.1
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cpe:2.3:a:eclipse:mosquitto:2.0.10
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cpe:2.3:a:eclipse:mosquitto:2.0.11
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cpe:2.3:a:eclipse:mosquitto:2.0.2
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cpe:2.3:a:eclipse:mosquitto:2.0.3
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cpe:2.3:a:eclipse:mosquitto:2.0.4
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cpe:2.3:a:eclipse:mosquitto:2.0.5
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cpe:2.3:a:eclipse:mosquitto:2.0.6
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cpe:2.3:a:eclipse:mosquitto:2.0.7
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cpe:2.3:a:eclipse:mosquitto:2.0.8
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cpe:2.3:a:eclipse:mosquitto:2.0.9
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cpe:2.3:o:fedoraproject:fedora:34
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cpe:2.3:o:fedoraproject:fedora:35