CVE-2021-34434 vulnerability in Eclipse and Other Products
Published on August 30, 2021
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.
Weakness Type
What is an AuthZ Vulnerability?
The software does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.
CVE-2021-34434 has been classified to as an AuthZ vulnerability or weakness.
Products Associated with CVE-2021-34434
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Affected Versions
The Eclipse Foundation Eclipse Mosquitto:- Version 2.0 and below unspecified is affected.
- Version unspecified, <= 2.0.11 is affected.
Exploit Probability
EPSS
0.36%
Percentile
58.04%
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.