CVE-2021-29415

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "The elliptic curve cryptography (ECC) hardware accelerator, part of the ARM\u00ae TrustZone\u00ae CryptoCell 310, contained in the NordicSemiconductor nRF52840 through 2021-03-29 has a non-constant time ECDSA implemenation. This allows an adversary to recover the private ECC key used during an ECDSA operation."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-05-26T15:20:39.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.sit.fraunhofer.de/en/news-events/downloads-services/cve/"}, {"tags": ["x_refsource_MISC"], "url": "https://eprint.iacr.org/2021/640"}, {"tags": ["x_refsource_MISC"], "url": "https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-29415", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "The elliptic curve cryptography (ECC) hardware accelerator, part of the ARM\u00ae TrustZone\u00ae CryptoCell 310, contained in the NordicSemiconductor nRF52840 through 2021-03-29 has a non-constant time ECDSA implemenation. This allows an adversary to recover the private ECC key used during an ECDSA operation."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://www.sit.fraunhofer.de/en/news-events/downloads-services/cve/", "refsource": "MISC", "url": "https://www.sit.fraunhofer.de/en/news-events/downloads-services/cve/"}, {"name": "https://eprint.iacr.org/2021/640", "refsource": "MISC", "url": "https://eprint.iacr.org/2021/640"}, {"name": "https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html", "refsource": "MISC", "url": "https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T22:02:51.779Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.sit.fraunhofer.de/en/news-events/downloads-services/cve/"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://eprint.iacr.org/2021/640"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-29415", "datePublished": "2021-05-21T11:29:59.000Z", "dateReserved": "2021-03-29T00:00:00.000Z", "dateUpdated": "2024-08-03T22:02:51.779Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:nordicsemi:nrf52840_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "29AF11FC-D9AA-476B-BB19-BF1A9CAEE9EB", "versionEndIncluding": "2021-03-29", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:nordicsemi:nrf52840:-:*:*:*:*:*:*:*", "matchCriteriaId": "06F36D86-14BB-48A1-92B5-DF4874DAF33F", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The elliptic curve cryptography (ECC) hardware accelerator, part of the ARM\u00ae TrustZone\u00ae CryptoCell 310, contained in the NordicSemiconductor nRF52840 through 2021-03-29 has a non-constant time ECDSA implemenation. This allows an adversary to recover the private ECC key used during an ECDSA operation."}, {"lang": "es", "value": "El acelerador de hardware elliptic curve cryptography (ECC), parte del ARM\u00ae TrustZone\u00ae CryptoCell 310, contenido en NordicSemiconductor nRF52840 hasta el 2021-03-29 presenta una implementaci\u00f3n ECDSA de tiempo no constante. Esto permite que un adversario recupere la clave ECC privada utilizada durante una operaci\u00f3n ECDSA"}], "id": "CVE-2021-29415", "lastModified": "2026-06-17T03:47:35.837", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 2.1, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-05-21T12:15:07.953", "references": [{"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://eprint.iacr.org/2021/640"}, {"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": ["Not Applicable"], "url": "https://www.sit.fraunhofer.de/en/news-events/downloads-services/cve/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://eprint.iacr.org/2021/640"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "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": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Not Applicable"], "url": "https://www.sit.fraunhofer.de/en/news-events/downloads-services/cve/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-203"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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