Home/CVE/In Eclipse Mosquitto versions 2.0 to 2.0.11, when using the dynamic security plugin, if the ability for a client to make
CVE

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

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.

MEDIUM · CVSS 5.3 EPSS 0.00363
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-285Improper Authorization
CWE-863Incorrect Authorization
▤

Affected Products & Versions

2
eclipse mosquitto>= 2.0.0 and <= 2.0.11
fedoraproject fedoraall versions
⚠

Public Exploits & PoCs

1
pocbugs.eclipse.org · show_bug.cgi?id=575324bugs.eclipse.org
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · emo@eclipse.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD30 Aug 2021 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
⚑

Vendor Advisories

2
suse-csafopenSUSE-SU-2024:11575-1
usnUSN-6492-1
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
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
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