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ubuntucveUbuntu.comUB:CVE-2021-34434
HistoryAug 30, 2021 - 12:00 a.m.

CVE-2021-34434

2021-08-3000:00:00
ubuntu.com
ubuntu.com
11

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

0.002 Low

EPSS

Percentile

54.8%

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.

OSVersionArchitecturePackageVersionFilename
ubuntu22.04noarchmosquitto< 2.0.11-1ubuntu1.1UNKNOWN
ubuntu23.04noarchmosquitto< 2.0.11-1.2ubuntu0.1UNKNOWN

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:N/C:P/I:N/A:N

5.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

0.002 Low

EPSS

Percentile

54.8%