{ "id": "CVE-2020-13464", "sourceIdentifier": "cve@mitre.org", "published": "2020-08-31T16:15:14.270", "lastModified": "2021-07-21T11:39:23.747", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "The flash memory readout protection in China Key Systems & Integrated Circuit CKS32F103 devices allows physical attackers to extract firmware via the debug interface by utilizing the CPU or DMA module." }, { "lang": "es", "value": "La protecci\u00f3n de lectura de la memoria flash en los dispositivos China Key Systems & Integrated Circuit CKS32F103, permite a atacantes f\u00edsicos extraer firmware por medio de la interfaz de depuraci\u00f3n usando la CPU o el m\u00f3dulo DMA" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N", "attackVector": "PHYSICAL", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 4.2, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 0.5, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:M/Au:N/C:N/I:P/A:N", "accessVector": "LOCAL", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "availabilityImpact": "NONE", "baseScore": 1.9 }, "baseSeverity": "LOW", "exploitabilityScore": 3.4, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-862" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:cksic:cks32f103_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "CCE7F9E1-902C-49C5-9D49-BC410F3708DE" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:cksic:cks32f103:-:*:*:*:*:*:*:*", "matchCriteriaId": "B3EC765F-8196-4C13-8FA0-9F36D8F2BE95" } ] } ] } ], "references": [ { "url": "https://www.usenix.org/system/files/woot20-paper-obermaier.pdf", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] } ] }