CVE-2021-37000
Estado: AnalizadaAlta (7.8)—
Some Huawei wearables have a permission management vulnerability.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Puntuación base: 7.8
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.15%
- Percentil entre todas las CVEs puntuadas: 3
- 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).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1068Exploitation for Privilege Escalationprivilege escalation90 % - Impacto principal
T1222File and Directory Permissions Modificationdefense impairment85 % - Impacto secundario
T1005Data from Local Systemcollection75 %
AV:L/PR:L sin UI indica escalada de privilegios local. CWE-255/276 (gestión de permisos) permite eludir restricciones de acceso. Impacto: modificación de permisos de ficheros y acceso a datos sensibles.
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
CWE
- CWE-255
- NVD-CWE-noinfo
- CWE-276
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-37000",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2021-37000",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2024-12-28T16:27:53.051438Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "psirt@huawei.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.7,
"attackVector": "LOCAL",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.2,
"exploitabilityScore": 2.5
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.8,
"attackVector": "LOCAL",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 1.8
}
]
},
"affected": [
{
"source": "psirt@huawei.com",
"affectedData": [
{
"vendor": "Huawei",
"product": "HarmonyOS",
"versions": [
{
"status": "affected",
"version": "2.0"
}
],
"defaultStatus": "unaffected"
}
]
}
],
"published": "2024-12-28T07:15:18.887",
"references": [
{
"url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-wearables-202108-0000001135186780",
"tags": [
"Vendor Advisory"
],
"source": "psirt@huawei.com"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Secondary",
"source": "psirt@huawei.com",
"description": [
{
"lang": "en",
"value": "CWE-255"
}
]
},
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
},
{
"type": "Secondary",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"description": [
{
"lang": "en",
"value": "CWE-276"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Some Huawei wearables have a permission management vulnerability."
},
{
"lang": "es",
"value": "Algunos wearables de Huawei tienen una vulnerabilidad en la gestión de permisos."
}
],
"lastModified": "2026-06-17T03:59:48.013",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:huawei:harmonyos:2.0.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "20112231-B840-44D3-A061-B9B9F80EE378"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "psirt@huawei.com"
}