mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
synced 2025-05-28 17:21:36 +00:00
169 lines
4.8 KiB
JSON
169 lines
4.8 KiB
JSON
{
|
|
"id": "CVE-2020-27632",
|
|
"sourceIdentifier": "cve@mitre.org",
|
|
"published": "2021-03-10T18:15:12.797",
|
|
"lastModified": "2024-11-21T05:21:32.823",
|
|
"vulnStatus": "Modified",
|
|
"cveTags": [],
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"value": "In SIMATIC MV400 family versions prior to v7.0.6, the ISN generator is initialized with a constant value and has constant increments. An attacker could predict and hijack TCP sessions."
|
|
},
|
|
{
|
|
"lang": "es",
|
|
"value": "En la familia SIMATIC MV400 versiones anteriores a la v7.0.6, el generador ISN es inicializado con un valor constante y presenta incrementos constantes. Un atacante podr\u00eda predecir y secuestrar sesiones de TCP"
|
|
}
|
|
],
|
|
"metrics": {
|
|
"cvssMetricV31": [
|
|
{
|
|
"source": "nvd@nist.gov",
|
|
"type": "Primary",
|
|
"cvssData": {
|
|
"version": "3.1",
|
|
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
|
|
"baseScore": 7.5,
|
|
"baseSeverity": "HIGH",
|
|
"attackVector": "NETWORK",
|
|
"attackComplexity": "LOW",
|
|
"privilegesRequired": "NONE",
|
|
"userInteraction": "NONE",
|
|
"scope": "UNCHANGED",
|
|
"confidentialityImpact": "NONE",
|
|
"integrityImpact": "HIGH",
|
|
"availabilityImpact": "NONE"
|
|
},
|
|
"exploitabilityScore": 3.9,
|
|
"impactScore": 3.6
|
|
}
|
|
],
|
|
"cvssMetricV2": [
|
|
{
|
|
"source": "nvd@nist.gov",
|
|
"type": "Primary",
|
|
"cvssData": {
|
|
"version": "2.0",
|
|
"vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
|
|
"baseScore": 5.0,
|
|
"accessVector": "NETWORK",
|
|
"accessComplexity": "LOW",
|
|
"authentication": "NONE",
|
|
"confidentialityImpact": "NONE",
|
|
"integrityImpact": "PARTIAL",
|
|
"availabilityImpact": "NONE"
|
|
},
|
|
"baseSeverity": "MEDIUM",
|
|
"exploitabilityScore": 10.0,
|
|
"impactScore": 2.9,
|
|
"acInsufInfo": false,
|
|
"obtainAllPrivilege": false,
|
|
"obtainUserPrivilege": false,
|
|
"obtainOtherPrivilege": false,
|
|
"userInteractionRequired": false
|
|
}
|
|
]
|
|
},
|
|
"weaknesses": [
|
|
{
|
|
"source": "nvd@nist.gov",
|
|
"type": "Primary",
|
|
"description": [
|
|
{
|
|
"lang": "en",
|
|
"value": "NVD-CWE-noinfo"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"configurations": [
|
|
{
|
|
"operator": "AND",
|
|
"nodes": [
|
|
{
|
|
"operator": "OR",
|
|
"negate": false,
|
|
"cpeMatch": [
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:siemens:simatic_mv420_firmware:*:*:*:*:*:*:*:*",
|
|
"versionEndExcluding": "7.0.6",
|
|
"matchCriteriaId": "AA65BD0C-3249-4AB6-A066-C55ADC06EDB7"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"operator": "OR",
|
|
"negate": false,
|
|
"cpeMatch": [
|
|
{
|
|
"vulnerable": false,
|
|
"criteria": "cpe:2.3:h:siemens:simatic_mv420:-:*:*:*:*:*:*:*",
|
|
"matchCriteriaId": "79B15C1B-2510-434B-A589-5903CA0C00EE"
|
|
}
|
|
]
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"operator": "AND",
|
|
"nodes": [
|
|
{
|
|
"operator": "OR",
|
|
"negate": false,
|
|
"cpeMatch": [
|
|
{
|
|
"vulnerable": true,
|
|
"criteria": "cpe:2.3:o:siemens:simatic_mv440_firmware:*:*:*:*:*:*:*:*",
|
|
"versionEndExcluding": "7.0.6",
|
|
"matchCriteriaId": "2FCC833E-AA77-471E-87CA-40B5E354163F"
|
|
}
|
|
]
|
|
},
|
|
{
|
|
"operator": "OR",
|
|
"negate": false,
|
|
"cpeMatch": [
|
|
{
|
|
"vulnerable": false,
|
|
"criteria": "cpe:2.3:h:siemens:simatic_mv440:-:*:*:*:*:*:*:*",
|
|
"matchCriteriaId": "6408042E-7E06-4AED-9853-29B176EDFE9F"
|
|
}
|
|
]
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"references": [
|
|
{
|
|
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-599268.pdf",
|
|
"source": "cve@mitre.org",
|
|
"tags": [
|
|
"Vendor Advisory"
|
|
]
|
|
},
|
|
{
|
|
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-042-01",
|
|
"source": "cve@mitre.org"
|
|
},
|
|
{
|
|
"url": "https://www.forescout.com/resources/numberjack-weak-isn-generation-in-embedded-tcpip-stacks/",
|
|
"source": "cve@mitre.org"
|
|
},
|
|
{
|
|
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-599268.pdf",
|
|
"source": "af854a3a-2127-422b-91ae-364da2661108",
|
|
"tags": [
|
|
"Vendor Advisory"
|
|
]
|
|
},
|
|
{
|
|
"url": "https://www.cisa.gov/news-events/ics-advisories/icsa-21-042-01",
|
|
"source": "af854a3a-2127-422b-91ae-364da2661108"
|
|
},
|
|
{
|
|
"url": "https://www.forescout.com/resources/numberjack-weak-isn-generation-in-embedded-tcpip-stacks/",
|
|
"source": "af854a3a-2127-422b-91ae-364da2661108"
|
|
}
|
|
]
|
|
} |