CVE-2022-21770 (GCVE-0-2022-21770)
Vulnerability from cvelistv5 – Published: 2022-07-06 13:06 – Updated: 2024-08-03 02:53
VLAI
EPSS
VEX
Summary
In sound driver, there is a possible information disclosure due to symlink following. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06558663; Issue ID: ALPS06558663.
Severity
6.7 (Medium)
CWE
- Information Disclosure
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://corp.mediatek.com/product-security-bullet… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| MediaTek, Inc. | MT6781, MT6877, MT6879, MT6893, MT6895, MT6983, MT8791, MT8797, MT8798 |
Affected:
Android 11.0, 12.0
|
guessed |
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T02:53:35.605Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "https://corp.mediatek.com/product-security-bulletin/July-2022"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "MT6781, MT6877, MT6879, MT6893, MT6895, MT6983, MT8791, MT8797, MT8798",
"vendor": "MediaTek, Inc.",
"versions": [
{
"status": "affected",
"version": "Android 11.0, 12.0"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In sound driver, there is a possible information disclosure due to symlink following. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06558663; Issue ID: ALPS06558663."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "Information Disclosure",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2022-07-06T13:06:34.000Z",
"orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
"shortName": "MediaTek"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://corp.mediatek.com/product-security-bulletin/July-2022"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "security@mediatek.com",
"ID": "CVE-2022-21770",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "MT6781, MT6877, MT6879, MT6893, MT6895, MT6983, MT8791, MT8797, MT8798",
"version": {
"version_data": [
{
"version_value": "Android 11.0, 12.0"
}
]
}
}
]
},
"vendor_name": "MediaTek, Inc."
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "In sound driver, there is a possible information disclosure due to symlink following. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06558663; Issue ID: ALPS06558663."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Information Disclosure"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://corp.mediatek.com/product-security-bulletin/July-2022",
"refsource": "MISC",
"url": "https://corp.mediatek.com/product-security-bulletin/July-2022"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374",
"assignerShortName": "MediaTek",
"cveId": "CVE-2022-21770",
"datePublished": "2022-07-06T13:06:34.000Z",
"dateReserved": "2021-11-26T00:00:00.000Z",
"dateUpdated": "2024-08-03T02:53:35.605Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2022-21770",
"date": "2026-09-19",
"epss": "0.00129",
"percentile": "0.02976"
},
"fkie_nvd": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*",
"matchCriteriaId": "109DD7FD-3A48-4C3D-8E1A-4433B98E1E64",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*",
"matchCriteriaId": "F8FB8EE9-FC56-4D5E-AE55-A5967634740C",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:mediatek:mt6781:-:*:*:*:*:*:*:*",
"matchCriteriaId": "C4EEE021-6B2A-47A0-AC6B-55525A40D718",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:mediatek:mt6877:-:*:*:*:*:*:*:*",
"matchCriteriaId": "7CA9352F-E9BD-4656-9B7C-4AFEE2C78E58",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:mediatek:mt6879:-:*:*:*:*:*:*:*",
"matchCriteriaId": "704BE5CE-AE08-4432-A8B0-4C8BD62148AD",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:mediatek:mt6893:-:*:*:*:*:*:*:*",
"matchCriteriaId": "213B5C7F-D965-4312-9CDF-4F06FA77D401",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:*",
"matchCriteriaId": "E0CA45C9-7BFE-4C93-B2AF-B86501F763AB",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:mediatek:mt6983:-:*:*:*:*:*:*:*",
"matchCriteriaId": "EB6B9A26-F8A1-4322-AA4E-CDF8F7D99000",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:mediatek:mt8791:-:*:*:*:*:*:*:*",
"matchCriteriaId": "9CD2C3EC-B62D-4616-964F-FDBE5B14A449",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:mediatek:mt8797:-:*:*:*:*:*:*:*",
"matchCriteriaId": "2B469BF4-5961-42E9-814B-1BE06D182E45",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:mediatek:mt8798:-:*:*:*:*:*:*:*",
"matchCriteriaId": "637CAAD2-DCC0-4F81-B781-5D0536844CA8",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
],
"descriptions": [
{
"lang": "en",
"value": "In sound driver, there is a possible information disclosure due to symlink following. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06558663; Issue ID: ALPS06558663."
},
{
"lang": "es",
"value": "En sound driver, Se presenta una posible divulgaci\u00f3n de informaci\u00f3n debido al seguimiento de enlaces simb\u00f3licos. Esto podr\u00eda conllevar a una divulgaci\u00f3n de informaci\u00f3n local con los privilegios de ejecuci\u00f3n System requeridos. No es requerida una interacci\u00f3n del usuario para su explotaci\u00f3n. ID del parche: ALPS06558663; ID de incidencia: ALPS06558663"
}
],
"id": "CVE-2022-21770",
"lastModified": "2024-11-21T06:45:24.260",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.6,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 0.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2022-07-06T14:15:17.433",
"references": [
{
"source": "security@mediatek.com",
"tags": [
"Vendor Advisory"
],
"url": "https://corp.mediatek.com/product-security-bulletin/July-2022"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://corp.mediatek.com/product-security-bulletin/July-2022"
}
],
"sourceIdentifier": "security@mediatek.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-59"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"product": "MT6781, MT6877, MT6879, MT6893, MT6895, MT6983, MT8791, MT8797, MT8798",
"vendor": "MediaTek, Inc.",
"versions": [
{
"status": "affected",
"version": "Android 11.0, 12.0"
}
]
}
],
"source": "security@mediatek.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*",
"matchCriteriaId": "109DD7FD-3A48-4C3D-8E1A-4433B98E1E64",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*",
"matchCriteriaId": "F8FB8EE9-FC56-4D5E-AE55-A5967634740C",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
},
{
"cpeMatch": [
{
"criteria": "cpe:2.3:h:mediatek:mt6781:-:*:*:*:*:*:*:*",
"matchCriteriaId": "C4EEE021-6B2A-47A0-AC6B-55525A40D718",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:mediatek:mt6877:-:*:*:*:*:*:*:*",
"matchCriteriaId": "7CA9352F-E9BD-4656-9B7C-4AFEE2C78E58",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:mediatek:mt6879:-:*:*:*:*:*:*:*",
"matchCriteriaId": "704BE5CE-AE08-4432-A8B0-4C8BD62148AD",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:mediatek:mt6893:-:*:*:*:*:*:*:*",
"matchCriteriaId": "213B5C7F-D965-4312-9CDF-4F06FA77D401",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:*",
"matchCriteriaId": "E0CA45C9-7BFE-4C93-B2AF-B86501F763AB",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:mediatek:mt6983:-:*:*:*:*:*:*:*",
"matchCriteriaId": "EB6B9A26-F8A1-4322-AA4E-CDF8F7D99000",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:mediatek:mt8791:-:*:*:*:*:*:*:*",
"matchCriteriaId": "9CD2C3EC-B62D-4616-964F-FDBE5B14A449",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:mediatek:mt8797:-:*:*:*:*:*:*:*",
"matchCriteriaId": "2B469BF4-5961-42E9-814B-1BE06D182E45",
"vulnerable": false
},
{
"criteria": "cpe:2.3:h:mediatek:mt8798:-:*:*:*:*:*:*:*",
"matchCriteriaId": "637CAAD2-DCC0-4F81-B781-5D0536844CA8",
"vulnerable": false
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "AND"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In sound driver, there is a possible information disclosure due to symlink following. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06558663; Issue ID: ALPS06558663."
},
{
"lang": "es",
"value": "En sound driver, Se presenta una posible divulgaci\u00f3n de informaci\u00f3n debido al seguimiento de enlaces simb\u00f3licos. Esto podr\u00eda conllevar a una divulgaci\u00f3n de informaci\u00f3n local con los privilegios de ejecuci\u00f3n System requeridos. No es requerida una interacci\u00f3n del usuario para su explotaci\u00f3n. ID del parche: ALPS06558663; ID de incidencia: ALPS06558663"
}
],
"id": "CVE-2022-21770",
"lastModified": "2026-06-17T04:26:57.160",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.6,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 6.7,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 0.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2022-07-06T14:15:17.433",
"references": [
{
"source": "security@mediatek.com",
"tags": [
"Vendor Advisory"
],
"url": "https://corp.mediatek.com/product-security-bulletin/July-2022"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "https://corp.mediatek.com/product-security-bulletin/July-2022"
}
],
"sourceIdentifier": "security@mediatek.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-59"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2026-03-27T12:54:53+00:00",
"cve": "CVE-2022-21770",
"id": "CVE-2022-21770",
"initial_release_date": "2022-01-01T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "CVE-2022-21770",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2022/cve-2022-21770.json",
"version": "3"
}
}
}
Loading…
Loading…
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.
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…