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VULNERABILITIES

CVE-2021-34434 Details

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.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://bugs.eclipse.org/bugs/show_bug.cgi?id=575324 CVEExploitIssue TrackingVendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K4WWGVF5BUFPYPCFUPPP4KRIYI5OTJN2/ CVE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RLUUM52Y6AEICPXPSRRXC6OBY4H5XKW7/ CVE
https://www.debian.org/security/2023/dsa-5511 CVE
https://bugs.eclipse.org/bugs/show_bug.cgi?id=575324 [email protected]ExploitIssue TrackingVendor Advisory

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-863Incorrect Authorization[email protected]
CWE-285Improper Authorization[email protected]

Affected Products

ProductVersions
eclipse mosquitto
>= 2.0.0, <= 2.0.11

CPE

  • cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
fedoraproject fedora
34
35

CPE

  • cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

11 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-34434
NVD Published Date:
Aug 30, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-34434 Details - Not Deferred