VULNERABILITY INTELLIGENCE

CVE-2021-34434

CVSS score5.3 MEDIUM
EPSS probability1.33%
CISA KEVNot currently listed
Published2021-08-30
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

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.

Weakness classification

  • emo@eclipse.org: CWE-285
  • nvd@nist.gov: CWE-863

Primary references