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CVE-2021-34434

Published: Aug 30, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-285
NVD MITRE
5.3CVSSMEDIUM
EPSS Score
1.3%
Top 34.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:LI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-285CWE-863

Affected Products

Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
Eclipse MosquittoEclipse FoundationOSS Libraries
Eclipse MosquittoThe Eclipse Foundation
Mixed
OSS Libraries / generic-library
mosquittoeclipseDevTools & CI
fedorafedoraproject
On-premOS
Operating Systems / linux-distro
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
eclipse foundationoss-projectDEOSS Libraries
the eclipse foundationoss-projectOSS Librariesaka eclipse jetty, eclipse mosquitto, eclipse openj9
eclipseoss-projectBEDevTools & CIaka eclipse-foundation
fedoraprojectoss-projectUSOperating Systemsaka fedora project

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://bugs.eclipse.org/bugs/show_bug.cgi?id=575324
bugs.eclipse.org
https://nvd.nist.gov/vuln/detail/CVE-2021-34434
nvd.nist.gov
https://security-tracker.debian.org/tracker/CVE-2021-34434
security-tracker.debian.org
and 4 more references View all →

Timeline

Published
Aug 30, 2021
Last Updated
Nov 21, 2024

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