CVE-2019-20778
Estado: ModificadaCrítica (9.8)—
Se descubrió un problema en los dispositivos móviles de LG con el software del Sistema Operativo Android versiones 7.0, 7.1, 7.2, 8.0, 8.1 y 9.0. El subsistema Backup no restringe apropiadamente las operaciones ni comprueba su entrada. El ID de LG es LVE-SMP-190004 (Junio 2019).
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: 0.44%
- Percentil entre todas las CVEs puntuadas: 37
- Fecha de la puntuación: 19/10/2026
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-20
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2019-20778",
"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": "2020-04-17T14:15:16.083",
"references": [
{
"url": "https://lgsecurity.lge.com/",
"tags": [
"Vendor Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://lgsecurity.lge.com/",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-20"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An issue was discovered on LG mobile devices with Android OS 7.0, 7.1, 7.2, 8.0, 8.1, and 9.0 software. The Backup subsystem does not properly restrict operations or validate their input. The LG ID is LVE-SMP-190004 (June 2019)."
},
{
"lang": "es",
"value": "Se descubrió un problema en los dispositivos móviles de LG con el software del Sistema Operativo Android versiones 7.0, 7.1, 7.2, 8.0, 8.1 y 9.0. El subsistema Backup no restringe apropiadamente las operaciones ni comprueba su entrada. El ID de LG es LVE-SMP-190004 (Junio 2019)."
}
],
"lastModified": "2026-06-17T02:31:10.693",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:google:android:7.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "09E6085C-A61E-4A89-BF80-EDD9A7DF1E47"
},
{
"criteria": "cpe:2.3:o:google:android:7.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DBCA7605-6348-400D-9844-97E0144C2BF5"
},
{
"criteria": "cpe:2.3:o:google:android:7.2:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "374CEEA9-3B03-4F6F-BF3E-2393E72BF2A7"
},
{
"criteria": "cpe:2.3:o:google:android:8.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B578E383-0D77-4AC7-9C81-3F0B8C18E033"
},
{
"criteria": "cpe:2.3:o:google:android:8.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B06BE74B-83F4-41A3-8AD3-2E6248F7B0B2"
},
{
"criteria": "cpe:2.3:o:google:android:9.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8DFAAD08-36DA-4C95-8200-C29FE5B6B854"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cve@mitre.org"
}