CVE-2021-34434
MEDIUMEclipse Mosquitto 2.0-2.0.11 - Improper Authorization in Dynamic Security Plugin
Title source: llmDescription
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.
References (4)
Core 4
Core References
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K4WWGVF5BUFPYPCFUPPP4KRIYI5OTJN2/
Mailing List, Third Party Advisory vendor-advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RLUUM52Y6AEICPXPSRRXC6OBY4H5XKW7/
Third Party Advisory vendor-advisory
https://www.debian.org/security/2023/dsa-5511
Exploit, Issue Tracking, Vendor Advisory
https://bugs.eclipse.org/bugs/show_bug.cgi?id=575324
Scores
CVSS v3
5.3
EPSS
0.0036
EPSS Percentile
58.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Details
CWE
CWE-285
CWE-863
Status
published
Products (3)
eclipse/mosquitto
2.0.0 - 2.0.11
fedoraproject/fedora
34
fedoraproject/fedora
35
Published
Aug 30, 2021
Tracked Since
Feb 18, 2026