CVE-2023-20818

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Patch ID: ALPS07460540; Issue ID: ALPS07460540."}], "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": "Information Disclosure"}]}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T09:14:41.179Z"}, "title": "CVE Program Container", "references": [{"url": "https://corp.mediatek.com/product-security-bulletin/August-2023", "tags": ["x_transferred"]}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-125", "lang": "en", "description": "CWE-125 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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"2024-10-22T14:25:36.384727Z"}}}], "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", 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"unknown"}, {"cpes": ["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:13.0.0:*:*:*:*:*:*:*"], "vendor": "google", "product": "android", "versions": [{"status": "affected", "version": "12.0"}, {"status": "affected", "version": "13.0.0"}], "defaultStatus": "unknown"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-125", "description": "CWE-125 Out-of-bounds Read"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-22T14:22:51.720Z"}}], "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 read due to improper input validation. This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07460540; Issue ID: ALPS07460540."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "text", "description": "Information Disclosure"}]}], "providerMetadata": {"orgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "shortName": "MediaTek", "dateUpdated": "2023-08-07T03:22:16.379Z"}}}, "cveMetadata": {"cveId": "CVE-2023-20818", "state": "PUBLISHED", "dateUpdated": "2024-10-22T19:37:35.428Z", "dateReserved": "2022-10-28T02:03:23.673Z", "assignerOrgId": "ee979b05-11f8-4f25-a7e0-a1fa9c190374", "datePublished": "2023-08-07T03:22:16.379Z", "assignerShortName": "MediaTek"}, "dataVersion": "5.1"}

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This could lead to local information disclosure with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07460540; Issue ID: ALPS07460540."}], "id": "CVE-2023-20818", "lastModified": "2026-06-17T05:30:55.420", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-20818", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-10-22T14:25:36.384727Z", "version": "2.0.3"}}]}, "published": "2023-08-07T04:15:14.827", "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-125"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-125"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

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