CVE-2018-12543
Estado: ModificadaAlta (7.5)—
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.
CVSS
- Versión: 3.0
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 7.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 36%
- Percentil entre todas las CVEs puntuadas: 98
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-617
- CWE-20
Referencias
JSON original (NVD)
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{
"id": "CVE-2018-12543",
"cveTags": [],
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"source": "nvd@nist.gov",
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"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "NONE"
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"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
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"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
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},
"impactScore": 3.6,
"exploitabilityScore": 3.9
}
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},
"affected": [
{
"source": "emo@eclipse.org",
"affectedData": [
{
"vendor": "The Eclipse Foundation",
"product": "Eclipse Mosquitto",
"versions": [
{
"status": "affected",
"version": "1.5",
"lessThan": "unspecified",
"versionType": "custom"
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"status": "affected",
"version": "unspecified",
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],
"published": "2018-11-15T15:29:01.350",
"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": [
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],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
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"source": "emo@eclipse.org",
"description": [
{
"lang": "en",
"value": "CWE-617"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-20"
}
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}
],
"descriptions": [
{
"lang": "en",
"value": "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."
},
{
"lang": "es",
"value": "En Eclipse Mosquitto, de la versión 1.5 a la 1.5.2 inclusive, si se publica un mensaje en Mosquitto con un tema que empieza por $, pero que no es $SYS, e.g. $test/test, se desencadena una aserción que, de otra forma, no debería ser alcanzable y Mosquitto se cerrará."
}
],
"lastModified": "2026-06-17T01:37:56.770",
"configurations": [
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"sourceIdentifier": "emo@eclipse.org"
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