CVE-2018-12543

moderate-risk

Published 2018-11-15

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.

Do I need to act?

2.8% chance of exploitation in next 30 days

EPSS score — moderate 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

CVSS 7.5/10 High

NETWORK / LOW complexity

Affected Products (1)

Mosquitto

Affected Vendors

Eclipse

References (2)

Issue Tracking https://bugs.eclipse.org/bugs/show_bug.cgi?id=539295

/ 100

moderate-risk

Severity 26/34 · High

Exploitability 6/34 · Minimal

Exposure 5/34 · Minimal