CVE-2019-20027
Estado: ModificadaCrítica (9.8)—
Aspire-derived NEC PBXes, including the SV8100, SV9100, SL1100 and SL2100 with software releases 7.0 or higher contain the possibility if incorrectly configured to allow a blank username and password combination to be entered as a valid, successfully authenticating account.
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: 1.37%
- Percentil entre todas las CVEs puntuadas: 71
- 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 (4)
CWE
- CWE-287
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2019-20027",
"cveTags": [],
"metrics": {
"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
}
],
"cvssMetricV31": [
{
"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": "cve@mitre.org",
"affectedData": [
{
"vendor": "n/a",
"product": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
]
}
],
"published": "2020-07-29T18:15:13.327",
"references": [
{
"url": "https://shadytel.su/files/nec_cve.txt",
"tags": [
"Third Party Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://shadytel.su/files/nec_cve.txt",
"tags": [
"Third Party Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-287"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Aspire-derived NEC PBXes, including the SV8100, SV9100, SL1100 and SL2100 with software releases 7.0 or higher contain the possibility if incorrectly configured to allow a blank username and password combination to be entered as a valid, successfully authenticating account."
},
{
"lang": "es",
"value": "Aspire-derived NEC PBXes, incluidas los SV8100, SV9100, SL1100 y SL2100 con versiones de software 7.0 o superiores, contienen la posibilidad de ser configuradas incorrectamente para permitir que una combinación de nombre de usuario y contraseña en blanco sean ingresadas como una cuenta válida y autenticada con éxito"
}
],
"lastModified": "2026-06-17T02:29:52.070",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:nec:sv8100_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "C8A44254-6DAF-420B-ADEB-41B0CEC84CC1",
"versionStartIncluding": "7.0"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:nec:sv8100:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "4B3FD340-B4EC-47A9-9558-494969533D10"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:nec:sv9100_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F8FED280-00CD-4379-A852-B3FB115BE8FC",
"versionStartIncluding": "7.0"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:nec:sv9100:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "DFD408C4-F8F8-45B1-97C1-D16E79AB9D28"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:nec:sl1100_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F8E69348-45F6-4D8B-BF6A-AB7CB97D7813",
"versionStartIncluding": "7.0"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:nec:sl1100:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "25F19130-FF57-422C-A792-128D72FFB022"
}
],
"operator": "OR"
}
],
"operator": "AND"
},
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:nec:sl2100_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B82AAA04-E282-4AC2-9744-ED2047A7EFDE",
"versionStartIncluding": "7.0"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:nec:sl2100:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "05D2A3E1-95D6-4528-8EE1-9BDDA4F1B9ED"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "cve@mitre.org"
}