CVE-2023-20821

{"id": "CVE-2023-20821", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "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"}, "impactScore": 5.9, "exploitabilityScore": 0.8}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "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"}, "impactScore": 5.9, "exploitabilityScore": 0.8}]}, "published": "2023-09-04T03:15:08.480", "references": [{"url": "https://corp.mediatek.com/product-security-bulletin/September-2023", "tags": ["Vendor Advisory"], "source": "security@mediatek.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "In nvram, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS07937113; Issue ID: ALPS07937113."}, {"lang": "es", "value": "En nvram, existe una posible escritura fuera de l\u00edmites debido a una inexistente comprobaci\u00f3n de l\u00edmites. Esto podr\u00eda llevar a una escalada local de privilegios con necesidad de privilegios de ejecuci\u00f3n del sistema. No es necesaria la interacci\u00f3n del usuario para la explotaci\u00f3n. ID del parche: ALPS07937113; ID de la incidencia: ALPS07937113."}], "lastModified": "2024-10-11T21:35:40.520", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:linuxfoundation:yocto:2.6:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "397C75CA-D217-4617-B8B1-80F74CFB04CE"}, {"criteria": "cpe:2.3:a:rdkcentral:rdk-b:2022q3:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A1488152-CC93-40DF-8D1F-BF33DC8444FF"}, {"criteria": "cpe:2.3:o:google:android:11.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "109DD7FD-3A48-4C3D-8E1A-4433B98E1E64"}, {"criteria": "cpe:2.3:o:google:android:12.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F8FB8EE9-FC56-4D5E-AE55-A5967634740C"}, {"criteria": "cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "879FFD0C-9B38-4CAA-B057-1086D794D469"}, {"criteria": "cpe:2.3:o:openwrt:openwrt:19.07.0:-:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": 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