CVE-2020-24681
Estado: ModificadaAlta (8.8)—
Incorrect Permission Assignment for Critical Resource vulnerability in B&R Industrial Automation Automation Studio allows Privilege Escalation.This issue affects Automation Studio: from 4.6.0 through 4.6.X, from 4.7.0 before 4.7.7 SP, from 4.8.0 before 4.8.6 SP, from 4.9.0 before 4.9.4 SP.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Puntuación base: 8.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.15%
- Percentil entre todas las CVEs puntuadas: 4
- 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-732
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2020-24681",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2020-24681",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2024-02-02T17:22:16.797450Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "cybersecurity@ch.abb.com",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 8.2,
"attackVector": "LOCAL",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 6,
"exploitabilityScore": 1.5
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 8.8,
"attackVector": "LOCAL",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 6,
"exploitabilityScore": 2
}
]
},
"affected": [
{
"source": "cybersecurity@ch.abb.com",
"affectedData": [
{
"vendor": "B&R Industrial Automation",
"product": "Automation Studio",
"versions": [
{
"status": "affected",
"version": "4.6.0",
"versionType": "custom",
"lessThanOrEqual": "4.6.x"
},
{
"status": "affected",
"version": "4.7.0",
"lessThan": "4.7.7 SP",
"versionType": "custom"
},
{
"status": "affected",
"version": "4.8.0",
"lessThan": "4.8.6 SP",
"versionType": "custom"
},
{
"status": "affected",
"version": "4.9.0",
"lessThan": "4.9.4 SP",
"versionType": "custom"
}
],
"defaultStatus": "unaffected"
},
{
"vendor": "B&R Industrial Automation",
"product": "NET/PVI",
"versions": [
{
"status": "affected",
"version": "4.6.0",
"versionType": "custom",
"lessThanOrEqual": "4.6.x"
},
{
"status": "affected",
"version": "4.7.0",
"lessThan": "4.7.7",
"versionType": "custom"
},
{
"status": "affected",
"version": "4.8.0",
"lessThan": "4.8.6",
"versionType": "custom"
},
{
"status": "affected",
"version": "4.9.0",
"lessThan": "4.9.4",
"versionType": "custom"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2024-02-02T07:15:07.333",
"references": [
{
"url": "https://www.br-automation.com/fileadmin/2021-14-BR-AS-NET-PVI-Service-Issues-c3710fbf.pdf",
"tags": [
"Vendor Advisory"
],
"source": "cybersecurity@ch.abb.com"
},
{
"url": "https://www.br-automation.com/fileadmin/2021-14-BR-AS-NET-PVI-Service-Issues-c3710fbf.pdf",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "cybersecurity@ch.abb.com",
"description": [
{
"lang": "en",
"value": "CWE-732"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Incorrect Permission Assignment for Critical Resource vulnerability in B&R Industrial Automation Automation Studio allows Privilege Escalation.This issue affects Automation Studio: from 4.6.0 through 4.6.X, from 4.7.0 before 4.7.7 SP, from 4.8.0 before 4.8.6 SP, from 4.9.0 before 4.9.4 SP.\n\n"
},
{
"lang": "es",
"value": "La asignación de permisos incorrecta para la vulnerabilidad de recursos críticos en B&R Industrial Automation Automation Studio permite la escalada de privilegios. Este problema afecta a Automation Studio: desde 4.6.0 hasta 4.6.X, desde 4.7.0 antes de 4.7.7 SP, desde 4.8.0 antes de 4.8.6 SP, desde 4.9.0 anterior a 4.9.4 SP."
}
],
"lastModified": "2026-06-17T03:05:58.557",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:br-automation:automation_studio:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "96888691-48DD-4173-B526-A325B8433F1B",
"versionEndExcluding": "4.7.7.74",
"versionStartIncluding": "4.0"
},
{
"criteria": "cpe:2.3:a:br-automation:automation_studio:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "04F8420B-E58C-4C17-B47B-15356571E650",
"versionEndExcluding": "4.8.6.30",
"versionStartIncluding": "4.8"
},
{
"criteria": "cpe:2.3:a:br-automation:automation_studio:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0515B5D7-8B71-4D6E-B0E1-4E61B930A54E",
"versionEndExcluding": "4.9.4.92",
"versionStartIncluding": "4.9"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "cybersecurity@ch.abb.com"
}