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CVE-2021-34432

Published: Jul 27, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-20
NVD MITRE
7.5CVSSHIGH
EPSS Score
1.2%
Top 34.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

In Eclipse Mosquitto versions 2.07 and earlier, the server will crash if the client tries to send a PUBLISH packet with topic length = 0.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-20NVD-CWE-noinfo

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
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

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://bugs.eclipse.org/bugs/show_bug.cgi?id=574141
bugs.eclipse.org
https://github.com/eclipse/mosquitto/commit/9b08faf0bdaf5a4f2e6e3dd1ea7e8c57f70418d6
github.com
https://nvd.nist.gov/vuln/detail/CVE-2021-34432
nvd.nist.gov
and 2 more references View all →

Timeline

Published
Jul 27, 2021
Last Updated
Nov 21, 2024

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