CVE-2023-1617
Improper Authentication vulnerability in B&R Industrial Automation B&R VC4 (VNC-Server modules). This vulnerability may allow an unauthenticated network-based attacker to bypass the authentication mechanism of the VC4 visualization on affected devices. The impact of this vulnerability depends on the functionality provided in the visualization. This issue affects B&R VC4: from 3.* through 3.96.7, from 4.0* through 4.06.7, from 4.1* through 4.16.3, from 4.2* through 4.26.8, from 4.3* through 4.34.6, from 4.4* through 4.45.1, from 4.5* through 4.45.3, from 4.7* through 4.72.9.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/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: 0.72%
- Percentil entre todas las CVEs puntuadas: 52
- 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-287
- CWE-287
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2023-1617",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2023-1617",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2025-02-06T19:48:02.341552Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "cybersecurity@ch.abb.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 9.8,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/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
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 9.8,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/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": "cybersecurity@ch.abb.com",
"affectedData": [
{
"vendor": "B&R Industrial Automation",
"modules": [
"VNC-Server"
],
"product": "B&R VC4",
"versions": [
{
"status": "affected",
"version": "3.*",
"versionType": "custom",
"lessThanOrEqual": "3.96.7"
},
{
"status": "affected",
"version": "4.0*",
"versionType": "custom",
"lessThanOrEqual": "4.06.7"
},
{
"status": "affected",
"version": "4.1*",
"versionType": "custom",
"lessThanOrEqual": "4.16.3"
},
{
"status": "affected",
"version": "4.2*",
"versionType": "custom",
"lessThanOrEqual": "4.26.8"
},
{
"status": "affected",
"version": "4.3*",
"versionType": "custom",
"lessThanOrEqual": "4.34.6"
},
{
"status": "affected",
"version": "4.4*",
"versionType": "custom",
"lessThanOrEqual": "4.45.1"
},
{
"status": "affected",
"version": "4.5*",
"versionType": "custom",
"lessThanOrEqual": "4.45.3"
},
{
"status": "affected",
"version": "4.7*",
"versionType": "custom",
"lessThanOrEqual": "4.72.9"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2023-04-14T12:15:07.377",
"references": [
{
"url": "https://www.br-automation.com/downloads_br_productcatalogue/assets/1681046878970-en-original-1.0.pdf",
"tags": [
"Vendor Advisory"
],
"source": "cybersecurity@ch.abb.com"
},
{
"url": "https://www.br-automation.com/downloads_br_productcatalogue/assets/1681046878970-en-original-1.0.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-287"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-287"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Improper Authentication vulnerability in B&R Industrial Automation B&R VC4 (VNC-Server modules). This vulnerability may allow an unauthenticated network-based attacker to bypass the authentication mechanism of the VC4 visualization on affected devices. The impact of this vulnerability depends on the functionality provided in the visualization.\nThis issue affects B&R VC4: from 3.* through 3.96.7, from 4.0* through 4.06.7, from 4.1* through 4.16.3, from 4.2* through 4.26.8, from 4.3* through 4.34.6, from 4.4* through 4.45.1, from 4.5* through 4.45.3, from 4.7* through 4.72.9.\n\n"
}
],
"lastModified": "2026-06-17T05:28:22.713",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:br-automation:vc4:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C94CCB17-792C-4B9E-9EB2-5AC0888CF3DB",
"versionEndExcluding": "3.96.8"
},
{
"criteria": "cpe:2.3:a:br-automation:vc4:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "96C5BD56-2064-4219-970C-8AEDA8F85D20",
"versionEndIncluding": "4.06.4",
"versionStartIncluding": "4.0.0"
},
{
"criteria": "cpe:2.3:a:br-automation:vc4:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "EF05318D-11E2-40D4-9556-8A83D0B6ABEB",
"versionEndIncluding": "4.16.3",
"versionStartIncluding": "4.10.0"
},
{
"criteria": "cpe:2.3:a:br-automation:vc4:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "115D84EC-19BD-4CAD-9BAD-6FE9A56E14A1",
"versionEndIncluding": "4.26.8",
"versionStartIncluding": "4.20.0"
},
{
"criteria": "cpe:2.3:a:br-automation:vc4:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B28066C3-3BF0-4D87-B847-7DA3F126E39F",
"versionEndExcluding": "4.34.7",
"versionStartIncluding": "4.30.0"
},
{
"criteria": "cpe:2.3:a:br-automation:vc4:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7C048F8F-7D8F-4CC3-91F9-631A3F96A533",
"versionEndIncluding": "4.45.1",
"versionStartIncluding": "4.40.0"
},
{
"criteria": "cpe:2.3:a:br-automation:vc4:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A56A6BDA-4BC1-4D06-98F2-8CE089F07E3D",
"versionEndIncluding": "4.53.0",
"versionStartIncluding": "4.50.0"
},
{
"criteria": "cpe:2.3:a:br-automation:vc4:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2E56F00F-57F9-407E-92A4-E03CDD074522",
"versionEndExcluding": "4.73.0",
"versionStartIncluding": "4.70.0"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cybersecurity@ch.abb.com"
}