CVE-2020-25238
Estado: ModificadaAlta (7.8)—
A vulnerability has been identified in PCS neo (Administration Console) (All versions < V3.1), TIA Portal (V15, V15.1 and V16). Manipulating certain files in specific folders could allow a local attacker to execute code with SYSTEM privileges. The security vulnerability could be exploited by an attacker with a valid account and limited access rights on the system.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 7.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.86%
- Percentil entre todas las CVEs puntuadas: 57
- 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 (2)
CWE
- CWE-284
- CWE-427
Referencias
- https://cert-portal.siemens.com/productcert/pdf/ssa-428051.pdf
- https://us-cert.cisa.gov/ics/advisories/icsa-21-040-05
- https://www.kb.cert.org/vuls/id/466044
- https://cert-portal.siemens.com/productcert/pdf/ssa-428051.pdf
- https://us-cert.cisa.gov/ics/advisories/icsa-21-040-05
- https://www.kb.cert.org/vuls/id/466044
JSON original (NVD)
Mostrar
{
"id": "CVE-2020-25238",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 7.2,
"accessVector": "LOCAL",
"vectorString": "AV:L/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": false,
"exploitabilityScore": 3.9,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.8,
"attackVector": "LOCAL",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 1.8
}
]
},
"affected": [
{
"source": "productcert@siemens.com",
"affectedData": [
{
"vendor": "Siemens",
"product": "PCS neo (Administration Console)",
"versions": [
{
"status": "affected",
"version": "All versions < V3.1"
}
]
},
{
"vendor": "Siemens",
"product": "TIA Portal",
"versions": [
{
"status": "affected",
"version": "V15, V15.1 and V16"
}
]
}
]
}
],
"published": "2021-02-09T17:15:13.610",
"references": [
{
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-428051.pdf",
"tags": [
"Vendor Advisory"
],
"source": "productcert@siemens.com"
},
{
"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-040-05",
"tags": [
"Third Party Advisory",
"US Government Resource",
"VDB Entry"
],
"source": "productcert@siemens.com"
},
{
"url": "https://www.kb.cert.org/vuls/id/466044",
"tags": [
"Third Party Advisory",
"US Government Resource"
],
"source": "productcert@siemens.com"
},
{
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-428051.pdf",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-040-05",
"tags": [
"Third Party Advisory",
"US Government Resource",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.kb.cert.org/vuls/id/466044",
"tags": [
"Third Party Advisory",
"US Government Resource"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "productcert@siemens.com",
"description": [
{
"lang": "en",
"value": "CWE-284"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-427"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability has been identified in PCS neo (Administration Console) (All versions < V3.1), TIA Portal (V15, V15.1 and V16). Manipulating certain files in specific folders could allow a local attacker to execute code with SYSTEM privileges. The security vulnerability could be exploited by an attacker with a valid account and limited access rights on the system."
},
{
"lang": "es",
"value": "Se ha identificado una vulnerabilidad en PCS neo (Consola de administración) (Todas las versiones anteriores a la versión V3.1), TIA Portal (V15, V15.1 y V16). La manipulación de determinados archivos en carpetas específicas podría permitir a un atacante local ejecutar código con privilegios SYSTEM. La vulnerabilidad de seguridad podría ser aprovechada por un atacante con una cuenta válida y derechos de acceso limitados en el sistema"
}
],
"lastModified": "2026-06-17T03:06:38.420",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:siemens:simatic_process_control_system_neo:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "40B25C24-0170-4C7F-A226-88664D588501",
"versionEndExcluding": "3.1"
},
{
"criteria": "cpe:2.3:a:siemens:totally_integrated_automation_portal:15:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A5BC801E-9D78-4CD4-A457-00ABD5991515"
},
{
"criteria": "cpe:2.3:a:siemens:totally_integrated_automation_portal:15.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "11595F0A-45CA-4A06-A4E0-2F805B7514FE"
},
{
"criteria": "cpe:2.3:a:siemens:totally_integrated_automation_portal:16:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2E1E7FB1-03AF-4AF0-B1A6-3AF65C818596"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "productcert@siemens.com"
}