CVE-2017-6034
Estado: ModificadaCrítica (9.8)—
An authentication bypass by capture-replay issue was discovered in Schneider Electric Modicon Modbus Protocol. Sensitive information is transmitted in cleartext in the Modicon Modbus protocol, which may allow an attacker to replay the following commands: run, stop, upload, and download.
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: 5.18%
- Percentil entre todas las CVEs puntuadas: 92
- Fecha de la puntuación: 5/10/2026
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-294
- CWE-287
Referencias
- http://www.securityfocus.com/bid/97562
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2017/icsa-17-101-01.json
- https://ics-cert.us-cert.gov/advisories/ICSA-17-101-01
- https://www.se.com/us/en/download/document/SEVD-2017-065-01/
- http://www.securityfocus.com/bid/97562
- https://ics-cert.us-cert.gov/advisories/ICSA-17-101-01
JSON original (NVD)
Mostrar
{
"id": "CVE-2017-6034",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2017-6034",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2026-05-28T19:09:00.802921Z"
}
}
],
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 7.5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"authentication": "NONE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "HIGH",
"obtainAllPrivilege": false,
"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
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"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": "ics-cert@hq.dhs.gov",
"affectedData": [
{
"vendor": "Schneider Electric",
"product": "Modicon Modbus Protocol",
"versions": [
{
"status": "affected",
"version": "all versions"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2017-06-30T03:29:00.453",
"references": [
{
"url": "http://www.securityfocus.com/bid/97562",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "ics-cert@hq.dhs.gov"
},
{
"url": "https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2017/icsa-17-101-01.json",
"source": "ics-cert@hq.dhs.gov"
},
{
"url": "https://ics-cert.us-cert.gov/advisories/ICSA-17-101-01",
"tags": [
"Third Party Advisory",
"US Government Resource"
],
"source": "ics-cert@hq.dhs.gov"
},
{
"url": "https://www.se.com/us/en/download/document/SEVD-2017-065-01/",
"source": "ics-cert@hq.dhs.gov"
},
{
"url": "http://www.securityfocus.com/bid/97562",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://ics-cert.us-cert.gov/advisories/ICSA-17-101-01",
"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-294"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-287"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An authentication bypass by capture-replay issue was discovered in Schneider Electric Modicon Modbus Protocol. Sensitive information is transmitted in cleartext in the Modicon Modbus protocol, which may allow an attacker to replay the following commands: run, stop, upload, and download."
},
{
"lang": "es",
"value": "Se ha descubierto un problema de omisión de autenticación por captura por reproducción en el protocolo Modicon Modbus, de Schneider Electric. Se transmite información sensible en texto claro en el protocolo Modicon Modbus, lo que podría permitir que un atacante reproduzca los siguientes comandos: run, stop, upload y download."
}
],
"lastModified": "2026-06-17T01:21:40.227",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:schneider-electric:modbus_firmware:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FDF59532-F8A6-4EFC-9B65-7FE1C37B6222"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:schneider-electric:modbus:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "B98D3886-8E25-44A6-9BA0-97274DBE4D39"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "ics-cert@hq.dhs.gov"
}