{"id":"CVE-2018-12543","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-12543","generatedAt":"2026-10-29T03:58:05.989Z","title":"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…","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.","published":"2018-11-15T15:29:01.000Z","lastModified":"2026-06-17T01:37:57.000Z","status":"Modified","sourceIdentifier":"emo@eclipse.org","cvss":{"version":"3.0","score":7.5,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-617","CWE-20"],"affected":["eclipse/mosquitto"],"epss":{"score":0.36013,"percentile":0.98467,"date":"2026-10-28","history":[{"date":"2026-09-21","score":0.34116,"percentile":0.9837},{"date":"2026-09-22","score":0.36013,"percentile":0.98403}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 36.0%, higher than 98% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://bugs.eclipse.org/bugs/show_bug.cgi?id=539295","tags":["Issue Tracking","Vendor Advisory"],"source":"emo@eclipse.org"},{"url":"https://bugs.eclipse.org/bugs/show_bug.cgi?id=539295","tags":["Issue Tracking","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-12543","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}