CVE-2023-20814

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Patch ID: ALPS07453560; Issue ID: ALPS07453560."}], "affected": [{"vendor": "MediaTek, Inc.", "product": "MT6580, MT6739, MT6761, MT6765, MT6768, MT6779, MT6781, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985", "versions": [{"version": "Android 12.0, 13.0", "status": "affected"}]}], "references": [{"url": "https://corp.mediatek.com/product-security-bulletin/August-2023"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "Elevation of Privilege"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T09:14:41.135Z"}, "title": "CVE Program Container", "references": [{"url": "https://corp.mediatek.com/product-security-bulletin/August-2023", "tags": ["x_transferred"]}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-787", "lang": "en", "description": "CWE-787 Out-of-bounds 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"*", "versionType": "custom"}]}, {"vendor": "mediatek", "product": "mt6877", "cpes": ["cpe:2.3:h:mediatek:mt6877:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "*", "versionType": "custom"}]}, {"vendor": "mediatek", "product": "mt6879", "cpes": ["cpe:2.3:h:mediatek:mt6879:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "*", "versionType": "custom"}]}, {"vendor": "mediatek", "product": "mt6883", "cpes": ["cpe:2.3:h:mediatek:mt6883:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "*", "versionType": "custom"}]}, {"vendor": "mediatek", "product": "mt6885", "cpes": ["cpe:2.3:h:mediatek:mt6885:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "*", "versionType": "custom"}]}, {"vendor": "mediatek", "product": "mt6886", 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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2024-10-22T14:43:30.466609Z", "id": "CVE-2023-20814", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-22T14:43:40.468Z"}}]}}

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"affected": [{"cpes": ["cpe:2.3:h:mediatek:mt6580:-:*:*:*:*:*:*:*"], "vendor": "mediatek", "product": "mt6580", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "*"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:h:mediatek:mt6739:-:*:*:*:*:*:*:*"], "vendor": "mediatek", "product": "mt6739", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "*"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:h:mediatek:mt6761:-:*:*:*:*:*:*:*"], "vendor": "mediatek", "product": "mt6761", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "*"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:h:mediatek:mt6765:-:*:*:*:*:*:*:*"], "vendor": "mediatek", "product": "mt6765", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "*"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:h:mediatek:mt6768:-:*:*:*:*:*:*:*"], "vendor": "mediatek", "product": "mt6768", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "*"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:h:mediatek:mt6779:-:*:*:*:*:*:*:*"], "vendor": "mediatek", "product": "mt6779", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "*"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:h:mediatek:mt6781:-:*:*:*:*:*:*:*"], "vendor": "mediatek", "product": "mt6781", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "*"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:h:mediatek:mt6833:-:*:*:*:*:*:*:*"], "vendor": "mediatek", "product": "mt6833", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "*"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:h:mediatek:mt6853:-:*:*:*:*:*:*:*"], "vendor": "mediatek", "product": "mt6853", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "*"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:h:mediatek:mt6853t:-:*:*:*:*:*:*:*"], "vendor": "mediatek", "product": "mt6853t", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "*"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:h:mediatek:mt6855:-:*:*:*:*:*:*:*"], "vendor": "mediatek", "product": "mt6855", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "*"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:h:mediatek:mt6873:-:*:*:*:*:*:*:*"], "vendor": "mediatek", "product": "mt6873", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "*"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:h:mediatek:mt6875:-:*:*:*:*:*:*:*"], "vendor": "mediatek", "product": "mt6875", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": 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["cpe:2.3:h:mediatek:mt6886:-:*:*:*:*:*:*:*"], "vendor": "mediatek", "product": "mt6886", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "*"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:h:mediatek:mt6889:-:*:*:*:*:*:*:*"], "vendor": "mediatek", "product": "mt6889", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "*"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:h:mediatek:mt6891:-:*:*:*:*:*:*:*"], "vendor": "mediatek", "product": "mt6891", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "*"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:h:mediatek:mt6893:-:*:*:*:*:*:*:*"], "vendor": "mediatek", "product": "mt6893", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "*"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:*"], "vendor": "mediatek", "product": "mt6895", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "*"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:h:mediatek:mt6983:-:*:*:*:*:*:*:*"], "vendor": "mediatek", "product": "mt6983", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "*"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:h:mediatek:mt6985:-:*:*:*:*:*:*:*"], "vendor": "mediatek", "product": "mt6985", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "*"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*", "cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*"], "vendor": "google", "product": "android", "versions": [{"status": "affected", "version": "12.0"}, {"status": "affected", "version": "13.0"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-787", "description": "CWE-787 Out-of-bounds Write"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-22T14:35:42.646Z"}}], "cna": {"affected": [{"vendor": "MediaTek, Inc.", "product": "MT6580, MT6739, MT6761, MT6765, MT6768, MT6779, MT6781, MT6833, MT6853, MT6853T, MT6855, MT6873, MT6875, MT6877, MT6879, MT6883, MT6885, MT6886, MT6889, MT6891, MT6893, MT6895, MT6983, MT6985", "versions": [{"status": "affected", "version": "Android 12.0, 13.0"}]}], "references": [{"url": "https://corp.mediatek.com/product-security-bulletin/August-2023"}], "descriptions": [{"lang": "en", "value": "In wlan service, there is a possible out of bounds write due to improper input validation. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07453560; Issue ID: ALPS07453560."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "Elevation of Privilege"}]}], "providerMetadata": {"orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "shortName": "MediaTek", "dateUpdated": "2023-08-07T03:22:07.288Z"}}}, "cveMetadata": {"cveId": "CVE-2023-20814", "state": "PUBLISHED", "dateUpdated": "2024-10-22T14:43:40.468Z", "dateReserved": "2022-10-28T02:03:23.672Z", "assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "datePublished": "2023-08-07T03:22:07.288Z", "assignerShortName": "MediaTek"}, "dataVersion": "5.1"}

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This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07453560; Issue ID: ALPS07453560."}], "id": "CVE-2023-20814", "lastModified": "2026-06-17T05:30:54.617", "metrics": {"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"}, {"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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-20814", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2024-10-22T14:43:30.466609Z", "version": "2.0.3"}}]}, "published": "2023-08-07T04:15:14.563", "references": [{"source": "security@mediatek.com", "tags": ["Vendor Advisory"], "url": "https://corp.mediatek.com/product-security-bulletin/August-2023"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://corp.mediatek.com/product-security-bulletin/August-2023"}], "sourceIdentifier": "security@mediatek.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

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