CVE-2018-6823
Estado: ModificadaCrítica (9.8)—
In the VPN client in Mailbutler Shimo before 4.1.5.1 on macOS, the com.feingeist.shimo.helper tool LaunchDaemon implements an unprotected XPC service that can be abused to execute scripts as root.
CVSS
- Versión: 3.0
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 9.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 1.48%
- Percentil entre todas las CVEs puntuadas: 73
- 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
- NVD-CWE-noinfo
Referencias
JSON original (NVD)
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{
"id": "CVE-2018-6823",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 10,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
"authentication": "NONE",
"integrityImpact": "COMPLETE",
"accessComplexity": "LOW",
"availabilityImpact": "COMPLETE",
"confidentialityImpact": "COMPLETE"
},
"acInsufInfo": false,
"impactScore": 10,
"baseSeverity": "HIGH",
"obtainAllPrivilege": true,
"exploitabilityScore": 10,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.0",
"baseScore": 9.8,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2018-02-07T16:29:00.227",
"references": [
{
"url": "https://github.com/VerSprite/research/blob/master/advisories/VS-2018-001.md",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://github.com/VerSprite/research/blob/master/advisories/VS-2018-001.md",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the VPN client in Mailbutler Shimo before 4.1.5.1 on macOS, the com.feingeist.shimo.helper tool LaunchDaemon implements an unprotected XPC service that can be abused to execute scripts as root."
},
{
"lang": "es",
"value": "En el cliente VPN en Mailbutler Shimo, en versiones anteriores a la 4.1.5.1 en macOS, com.feingeist.shimo.helper en la herramienta LaunchDaemon implementa un servicio XPC no protegido que puede aprovecharse para ejecutar comandos del sistema como root."
}
],
"lastModified": "2026-06-17T02:02:19.220",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:mailbutler:shimo:*:*:*:*:*:macos:*:*",
"vulnerable": true,
"matchCriteriaId": "828B4998-06EF-4FBD-8376-70911B1E369A",
"versionEndExcluding": "4.1.5.1"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cve@mitre.org"
}