CVE-2020-12830
Estado: ModificadaCrítica (9.8)—
Addressed multiple stack buffer overflow vulnerabilities that could allow an attacker to carry out escalation of privileges through unauthorized remote code execution in Western Digital My Cloud devices before 5.04.114.
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: 3.33%
- Percentil entre todas las CVEs puntuadas: 88
- 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 (1)
CWE
- CWE-787
Referencias
- https://support.wdc.com/downloads.aspx?g=907&lang=en
- https://www.westerndigital.com/support/productsecurity/wdc-20007-my-cloud-firmware-version-5-04-114
- https://support.wdc.com/downloads.aspx?g=907&lang=en
- https://www.westerndigital.com/support/productsecurity/wdc-20007-my-cloud-firmware-version-5-04-114
JSON original (NVD)
Mostrar
{
"id": "CVE-2020-12830",
"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": "2020-10-27T20:15:21.533",
"references": [
{
"url": "https://support.wdc.com/downloads.aspx?g=907&lang=en",
"tags": [
"Vendor Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://www.westerndigital.com/support/productsecurity/wdc-20007-my-cloud-firmware-version-5-04-114",
"tags": [
"Vendor Advisory"
],
"source": "cve@mitre.org"
},
{
"url": "https://support.wdc.com/downloads.aspx?g=907&lang=en",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.westerndigital.com/support/productsecurity/wdc-20007-my-cloud-firmware-version-5-04-114",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-787"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Addressed multiple stack buffer overflow vulnerabilities that could allow an attacker to carry out escalation of privileges through unauthorized remote code execution in Western Digital My Cloud devices before 5.04.114."
},
{
"lang": "es",
"value": "Se abordaron múltiples vulnerabilidades de desbordamiento del búfer de pila que podrían permitir a un atacante llevar a cabo una escalada de privilegios por medio de una ejecución de código remota no autorizada en dispositivos Western Digital My Cloud versiones anteriores a 5.04.114"
}
],
"lastModified": "2026-06-17T02:52:23.520",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:westerndigital:my_cloud_firmware:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "1A91F2BA-EC12-4060-A0A5-9E4EB6238036",
"versionEndExcluding": "5.04.114"
}
],
"operator": "OR"
},
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:h:westerndigital:my_cloud_ex4100:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "B78030F0-6655-4604-9D16-2FA1F3FD52FF"
},
{
"criteria": "cpe:2.3:h:westerndigital:my_cloud_expert_series_ex2:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "A1351BC5-FF95-4041-8D4A-F6975AEE84A0"
},
{
"criteria": "cpe:2.3:h:westerndigital:my_cloud_mirror_-_gen_2:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "C70F1252-64C8-4174-9D61-957D1D52FE6B"
},
{
"criteria": "cpe:2.3:h:westerndigital:my_cloud_pr2100:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "BF58260B-2131-402C-A9DA-67B188136DE1"
},
{
"criteria": "cpe:2.3:h:westerndigital:my_cloud_pr4100:-:*:*:*:*:*:*:*",
"vulnerable": false,
"matchCriteriaId": "CB0C2FD9-4792-4DA2-9698-E53109A499EC"
}
],
"operator": "OR"
}
],
"operator": "AND"
}
],
"sourceIdentifier": "cve@mitre.org"
}