CVE-2021-34434
moderate-risk
Published 2021-08-30
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.
Do I need to act?
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0.36% chance of exploitation
EPSS score — low exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10
Medium
NETWORK
/ LOW complexity
Affected Vendors
References (8)
31
/ 100
moderate-risk
Severity
21/34 · High
Exploitability
1/34 · Minimal
Exposure
9/34 · Low