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Case File

CVE-2021-34434

MEDIUM · CVSS 5.3 EPSS 1.37%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-08-30 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 5.3. See the original NVD description below for full technical details.

CVE
CVE-2021-34434
Severity
MEDIUM
CVSS
5.3
EPSS
1.37%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)