VULNERABILITY INTELLIGENCE

CVE-2018-12543

CVSS score7.5 HIGH
EPSS probability36.01%
CISA KEVNot currently listed
Published2018-11-15
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

In Eclipse Mosquitto versions 1.5 to 1.5.2 inclusive, if a message is published to Mosquitto that has a topic starting with $, but that is not $SYS, e.g. $test/test, then an assert is triggered that should otherwise not be reachable and Mosquitto will exit.

Weakness classification

  • CWE-20: Improper Input Validation
  • CWE-617: Reachable Assertion

Primary references