Upstream information

CVE-2021-34434 at MITRE


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.

SUSE information

Overall state of this security issue: Does not affect SUSE products

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database
Base Score 5
Vector AV:N/AC:L/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
CVSS v3 Scores
  National Vulnerability Database
Base Score 5.3
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact Low
Integrity Impact None
Availability Impact None
CVSSv3 Version 3.1
SUSE Bugzilla entry: 1190048 [NEW]

No SUSE Security Announcements cross referenced.

List of released packages

Product(s) Fixed package version(s) References
openSUSE Tumbleweed
  • libmosquitto1 >= 2.0.12-1.1
  • libmosquittopp1 >= 2.0.12-1.1
  • mosquitto >= 2.0.12-1.1
  • mosquitto-clients >= 2.0.12-1.1
  • mosquitto-devel >= 2.0.12-1.1
openSUSE Tumbleweed GA libmosquitto1-2.0.12-1.1

SUSE Timeline for this CVE

CVE page created: Tue Aug 31 02:03:30 2021
CVE page last modified: Mon Oct 30 18:14:10 2023