{ "id": "CVE-2020-27211", "sourceIdentifier": "cve@mitre.org", "published": "2021-05-21T13:15:07.627", "lastModified": "2022-05-03T16:04:40.443", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "Nordic Semiconductor nRF52840 devices through 2020-10-19 have improper protection against physical side channels. The flash read-out protection (APPROTECT) can be bypassed by injecting a fault during the boot phase." }, { "lang": "es", "value": "Los dispositivos Nordic Semiconductor nRF52840 hasta el 2020-10-19 presentan una protecci\u00f3n inadecuada contra los canales laterales f\u00edsicos. La protecci\u00f3n de lectura flash (APPROTECT) se puede omitir inyectando un fallo durante la fase de arranque" } ], "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:H/I:H/A:N", "attackVector": "PHYSICAL", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 5.7, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 0.5, "impactScore": 5.2 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:N", "accessVector": "LOCAL", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "NONE", "baseScore": 3.3 }, "baseSeverity": "LOW", "exploitabilityScore": 3.4, "impactScore": 4.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-203" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:nordicsemi:nrf52840:-:*:*:*:*:*:*:*", "matchCriteriaId": "06F36D86-14BB-48A1-92B5-DF4874DAF33F" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:nordicsemi:nrf52840_firmware:*:*:*:*:*:*:*:*", "versionEndIncluding": "2020-10-19", "matchCriteriaId": "296612F0-6566-40C3-B528-60547FDDA634" } ] } ] } ], "references": [ { "url": "https://eprint.iacr.org/2021/640", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://infocenter.nordicsemi.com/pdf/in_133_v1.0.pdf", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://limitedresults.com/2020/06/nrf52-debug-resurrection-approtect-bypass/", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.aisec.fraunhofer.de/en/FirmwareProtection.html", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] } ] }