Improper input validation in Eclipse Mosquitto
CVE-2018-12543
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 Mo…
EPSS: 0.360 (98.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Eclipse Mosquitto
- The Eclipse Foundation Mosquitto — versions unspecified, 1.5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- emo@eclipse.org (x_refsource_CONFIRM, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-12543?
- CVE-2018-12543 is a high-severity vulnerability in Eclipse Mosquitto, classified under Reachable Assertion. CVSS score: 7.5/10. Published 2018-11-15.
- How severe is CVE-2018-12543?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-12543 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.