CVE-2023-20702

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"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", "cpes": ["cpe:2.3:h:mediatek:mt6886:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "*", "versionType": "custom"}]}, {"vendor": "mediatek", "product": "mt6889", "cpes": ["cpe:2.3:h:mediatek:mt6889:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "*", "versionType": "custom"}]}, {"vendor": "mediatek", "product": "mt6895", "cpes": ["cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "*", "versionType": "custom"}]}, {"vendor": "mediatek", "product": "mt6980", 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"unknown", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "*", "versionType": "custom"}]}, {"vendor": "mediatek", "product": "mt8675", "cpes": ["cpe:2.3:h:mediatek:mt8675:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "*", "versionType": "custom"}]}, {"vendor": "mediatek", "product": "mt8791", "cpes": ["cpe:2.3:h:mediatek:mt8791:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "*", "versionType": "custom"}]}, {"vendor": "mediatek", "product": "mt8791t", "cpes": ["cpe:2.3:h:mediatek:mt8791t:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "*", "versionType": "custom"}]}, {"vendor": "mediatek", "product": "mt8797", "cpes": ["cpe:2.3:h:mediatek:mt8797:-:*:*:*:*:*:*:*"], "defaultStatus": "unknown", "versions": [{"version": "0", "status": "affected", 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"134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-05T15:17:22.422Z"}}]}}

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"versionType": "custom", "lessThanOrEqual": "*"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:h:mediatek:mt8673:-:*:*:*:*:*:*:*"], "vendor": "mediatek", "product": "mt8673", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "*"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:h:mediatek:mt8675:-:*:*:*:*:*:*:*"], "vendor": "mediatek", "product": "mt8675", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "*"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:h:mediatek:mt8791:-:*:*:*:*:*:*:*"], "vendor": "mediatek", "product": "mt8791", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "*"}], "defaultStatus": "unknown"}, {"cpes": ["cpe:2.3:h:mediatek:mt8791t:-:*:*:*:*:*:*:*"], "vendor": "mediatek", "product": "mt8791t", "versions": [{"status": "affected", "version": "0", "versionType": "custom", "lessThanOrEqual": "*"}], "defaultStatus": 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"operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In 5G NRLC, there is a possible invalid memory access due to lack of error handling. This could lead to remote denial of service, if UE received invalid 1-byte rlc sdu, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY00921261; Issue ID: MOLY01128895."}, {"lang": "es", "value": "En 5G NRLC, existe un posible acceso no v\u00e1lido a la memoria debido a la falta de manejo de errores. Esto podr\u00eda provocar una denegaci\u00f3n remota de servicio, si el UE recibiera un rlc sdu de 1 byte no v\u00e1lido, sin necesidad de privilegios de ejecuci\u00f3n adicionales. La interacci\u00f3n del usuario no es necesaria para la explotaci\u00f3n. ID de parche: MOLY00921261; ID del problema: MOLY01128895."}], "id": "CVE-2023-20702", "lastModified": "2026-06-17T05:30:40.650", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-20702", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-09-05T15:16:26.867886Z", "version": "2.0.3"}}]}, "published": "2023-11-06T04:15:07.653", "references": [{"source": "security@mediatek.com", "tags": ["Vendor Advisory"], "url": "https://corp.mediatek.com/product-security-bulletin/November-2023"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://corp.mediatek.com/product-security-bulletin/November-2023"}], "sourceIdentifier": "security@mediatek.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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