FKIE_CVE-2021-39996
Vulnerability from fkie_nvd - Published: 2022-01-10 14:10 - Updated: 2026-06-17 04:04
Severity
Summary
There is a Heap-based buffer overflow vulnerability with the NFC module in smartphones. Successful exploitation of this vulnerability may cause memory overflow.
References
{
"affected": [
{
"affectedData": [
{
"product": "EMUI;Magic UI;HarmonyOS",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "EMUI 10.0.0,EMUI 10.1.0,EMUI 10.1.1,EMUI 11.0.0,EMUI 11.0.1"
},
{
"status": "affected",
"version": "Magic UI 3.0.0,Magic UI 3.1.0,Magic UI 3.1.1,Magic UI 4.0.0"
},
{
"status": "affected",
"version": "HarmonyOS 2.0"
}
]
}
],
"source": "psirt@huawei.com"
}
],
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "There is a Heap-based buffer overflow vulnerability with the NFC module in smartphones. Successful exploitation of this vulnerability may cause memory overflow."
},
{
"lang": "es",
"value": "Se presenta una vulnerabilidad de desbordamiento de b\u00fafer basada en Heap con el m\u00f3dulo NFC en los smartphones. Una explotaci\u00f3n con \u00e9xito de esta vulnerabilidad puede causar un desbordamiento de memoria"
}
],
"id": "CVE-2021-39996",
"lastModified": "2026-06-17T04:04:32.280",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
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"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2022-01-10T14:10:20.823",
"references": [
{
"source": "psirt@huawei.com",
"tags": [
"Vendor Advisory"
],
"url": "https://consumer.huawei.com/en/support/bulletin/2021/12/"
},
{
"source": "psirt@huawei.com",
"tags": [
"Vendor Advisory"
],
"url": "https://device.harmonyos.com/en/docs/security/update/security-bulletins-202112-0000001183296718"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
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"url": "https://consumer.huawei.com/en/support/bulletin/2021/12/"
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"tags": [
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],
"sourceIdentifier": "psirt@huawei.com",
"vulnStatus": "Modified",
"weaknesses": [
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"description": [
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"lang": "en",
"value": "CWE-787"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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