CVE-2018-21065
Estado: ModificadaCrítica (9.8)—
Se detectó un problema en dispositivos móviles Samsung con versiones de software M(6.0), N(7.x) y O(8.x). Se presenta un desbordamiento de enteros en eCryptFS debido a una falta de comprobación de tamaño. El ID de Samsung es SVE-2017-11855 (Agosto de 2018).
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-191
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2018-21065",
"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": "2020-04-08T18:15:14.167",
"references": [
{
"url": "https://security.samsungmobile.com/securityUpdate.smsb",
"tags": [
"Vendor Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://security.samsungmobile.com/securityUpdate.smsb",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-191"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An issue was discovered on Samsung mobile devices with M(6.0), N(7.x), and O(8.x) software. There is an integer underflow in eCryptFS because of a missing size check. The Samsung ID is SVE-2017-11855 (August 2018)."
},
{
"lang": "es",
"value": "Se detectó un problema en dispositivos móviles Samsung con versiones de software M(6.0), N(7.x) y O(8.x). Se presenta un desbordamiento de enteros en eCryptFS debido a una falta de comprobación de tamaño. El ID de Samsung es SVE-2017-11855 (Agosto de 2018)."
}
],
"lastModified": "2026-06-17T01:54:04.020",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:google:android:6.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E70C6D8D-C9C3-4D92-8DFC-71F59E068295"
},
{
"criteria": "cpe:2.3:o:google:android:7.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "09E6085C-A61E-4A89-BF80-EDD9A7DF1E47"
},
{
"criteria": "cpe:2.3:o:google:android:7.1.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "FC30B2A2-9674-4052-B402-20348E50F9E8"
},
{
"criteria": "cpe:2.3:o:google:android:7.1.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "D835D592-2423-44C6-804A-3AD010112E7C"
},
{
"criteria": "cpe:2.3:o:google:android:7.1.2:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "568E2561-A068-46A2-B331-BBA91FC96F0C"
},
{
"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"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cve@mitre.org"
}