CVE-2017-14023
Estado: ModificadaMedia (4.9)—
An Improper Input Validation issue was discovered in Siemens SIMATIC PCS 7 V8.1 prior to V8.1 SP1 with WinCC V7.3 Upd 13, and V8.2 all versions. The improper input validation vulnerability has been identified, which may allow an authenticated remote attacker who is a member of the administrators group to crash services by sending specially crafted messages to the DCOM interface.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 4.9
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 3.67%
- Percentil entre todas las CVEs puntuadas: 89
- Fecha de la puntuación: 2/10/2026
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 (2)
CWE
- CWE-20
- CWE-20
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2017-14023",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 4,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
"authentication": "SINGLE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 8,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 4.9,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "HIGH",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 1.2
}
]
},
"affected": [
{
"source": "ics-cert@hq.dhs.gov",
"affectedData": [
{
"vendor": "n/a",
"product": "Siemens SIMATIC PCS 7",
"versions": [
{
"status": "affected",
"version": "Siemens SIMATIC PCS 7"
}
]
}
]
}
],
"published": "2017-11-06T22:29:00.270",
"references": [
{
"url": "http://www.securityfocus.com/bid/101680",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "ics-cert@hq.dhs.gov"
},
{
"url": "http://www.securitytracker.com/id/1039729",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "ics-cert@hq.dhs.gov"
},
{
"url": "https://ics-cert.us-cert.gov/advisories/ICSA-17-306-01",
"tags": [
"Third Party Advisory",
"US Government Resource"
],
"source": "ics-cert@hq.dhs.gov"
},
{
"url": "http://www.securityfocus.com/bid/101680",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.securitytracker.com/id/1039729",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://ics-cert.us-cert.gov/advisories/ICSA-17-306-01",
"tags": [
"Third Party Advisory",
"US Government Resource"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "ics-cert@hq.dhs.gov",
"description": [
{
"lang": "en",
"value": "CWE-20"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-20"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An Improper Input Validation issue was discovered in Siemens SIMATIC PCS 7 V8.1 prior to V8.1 SP1 with WinCC V7.3 Upd 13, and V8.2 all versions. The improper input validation vulnerability has been identified, which may allow an authenticated remote attacker who is a member of the administrators group to crash services by sending specially crafted messages to the DCOM interface."
},
{
"lang": "es",
"value": "Se ha descubierto un problema de validación incorrecta de entradas en Siemens SIMATIC PCS 7 V8.1 en versiones anteriores a V8.1 SP1 con WinCC V7.3 Upd 13 y V8.2 en todas las versiones. Se ha identificado la vulnerabilidad de validación incorrecta de entradas, que podría permitir que un atacante remoto autenticado que sea miembro del grupo de administradores provoque el cierre inesperado de servicios mediante el envío de mensajes especialmente manipulados a la interfaz DCOM."
}
],
"lastModified": "2026-06-17T01:05:27.540",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:siemens:simatic_pcs7:8.1:-:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0D964D2E-63D5-4793-B772-E61CE0586B39"
},
{
"criteria": "cpe:2.3:a:siemens:simatic_wincc:7.3:update13:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CB472A4C-E0FA-42E7-96C2-1C9FD2B1A8B3"
}
],
"operator": "OR"
}
]
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:siemens:simatic_pcs7:8.2:-:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A67CAAE5-FDF6-4F19-B7C8-73CAF5A6E303"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "ics-cert@hq.dhs.gov"
}