CVE-2021-40048
Estado: ModificadaAlta (7.5)—
There is an incorrect buffer size calculation vulnerability in the video framework. Successful exploitation of this vulnerability will affect availability.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 7.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.77%
- Percentil entre todas las CVEs puntuadas: 54
- Fecha de la puntuación: 7/10/2026
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 (3)
CWE
- CWE-131
Referencias
- https://consumer.huawei.com/en/support/bulletin/2022/3/
- https://device.harmonyos.com/cn/docs/security/update/security-bulletins-phones-202203-0000001257385193
- https://consumer.huawei.com/en/support/bulletin/2022/3/
- https://device.harmonyos.com/cn/docs/security/update/security-bulletins-phones-202203-0000001257385193
JSON original (NVD)
Mostrar
{
"id": "CVE-2021-40048",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 7.8,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "COMPLETE",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 6.9,
"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": 7.5,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "psirt@huawei.com",
"affectedData": [
{
"vendor": "Huawei",
"product": "EMUI",
"versions": [
{
"status": "affected",
"version": "12.0.0"
},
{
"status": "affected",
"version": "11.0.1"
},
{
"status": "affected",
"version": "11.0.0"
},
{
"status": "affected",
"version": "10.1.1"
},
{
"status": "affected",
"version": "10.1.0"
},
{
"status": "affected",
"version": "10.0.0"
}
]
},
{
"vendor": "Huawei",
"product": "Magic UI",
"versions": [
{
"status": "affected",
"version": "4.0.0"
},
{
"status": "affected",
"version": "3.1.1"
},
{
"status": "affected",
"version": "3.1.0"
},
{
"status": "affected",
"version": "3.0.0"
}
]
},
{
"vendor": "Huawei",
"product": "HarmonyOS",
"versions": [
{
"status": "affected",
"version": "2.0"
}
]
}
]
}
],
"published": "2022-03-10T17:43:17.003",
"references": [
{
"url": "https://consumer.huawei.com/en/support/bulletin/2022/3/",
"tags": [
"Vendor Advisory"
],
"source": "psirt@huawei.com"
},
{
"url": "https://device.harmonyos.com/cn/docs/security/update/security-bulletins-phones-202203-0000001257385193",
"tags": [
"Vendor Advisory"
],
"source": "psirt@huawei.com"
},
{
"url": "https://consumer.huawei.com/en/support/bulletin/2022/3/",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://device.harmonyos.com/cn/docs/security/update/security-bulletins-phones-202203-0000001257385193",
"tags": [
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-131"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "There is an incorrect buffer size calculation vulnerability in the video framework. Successful exploitation of this vulnerability will affect availability."
},
{
"lang": "es",
"value": "Se presenta una vulnerabilidad de cálculo incorrecto del tamaño del búfer en el marco de vídeo. Una explotación con éxito de esta vulnerabilidad afectará a la disponibilidad"
}
],
"lastModified": "2026-06-17T04:06:27.353",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:huawei:emui:10.0.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "504F2E73-FFD0-4589-8644-FE77656BB28D"
},
{
"criteria": "cpe:2.3:o:huawei:emui:10.1.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "66AC7F91-917C-40A6-9983-A339EFB091F1"
},
{
"criteria": "cpe:2.3:o:huawei:emui:10.1.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A7FF0AD1-22C2-423B-822A-E6496CEDAB02"
},
{
"criteria": "cpe:2.3:o:huawei:emui:11.0.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "0B701EC6-8208-4D22-95A6-B07D471A8A8B"
},
{
"criteria": "cpe:2.3:o:huawei:emui:11.0.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "511F8CE2-C2B6-4A08-B992-49D9B75B8655"
},
{
"criteria": "cpe:2.3:o:huawei:emui:12.0.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A974CA73-84E8-480B-BB4C-4A81D0C985B2"
},
{
"criteria": "cpe:2.3:o:huawei:harmonyos:2.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "3AD62E8B-CB4B-43A6-98E8-09A8A1A3505B"
},
{
"criteria": "cpe:2.3:o:huawei:magic_ui:3.0.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "8A7A4346-1757-48F9-827C-13EABC357302"
},
{
"criteria": "cpe:2.3:o:huawei:magic_ui:3.1.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "EFAE846A-00EA-417F-B66F-1F5396BB6139"
},
{
"criteria": "cpe:2.3:o:huawei:magic_ui:3.1.1:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B655712B-E86C-4BD2-8A99-AEA382C520E7"
},
{
"criteria": "cpe:2.3:o:huawei:magic_ui:4.0.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "F6066FAB-23F5-4CB2-B89E-B00F8835AC39"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "psirt@huawei.com"
}