{"id":"CVE-2020-25082","state":"PUBLISHED","title":"An attacker with physical access to Nuvoton Trusted Platform Module (NPCT75x 7.2.x before 7.2.2.0) could extract an Elliptic Curve Cryptography (ECC) private key via a side-channel","description":"An attacker with physical access to Nuvoton Trusted Platform Module (NPCT75x 7.2.x before 7.2.2.0) could extract an Elliptic Curve Cryptography (ECC) private key via a side-channel attack against ECDSA, because of an Observable Timing Discrepancy.","publishedAt":"2021-08-10T15:28:05.000Z","updatedAt":"2024-08-04T15:26:09.290Z","severity":{"score":3.8,"label":"Low","version":"3.1","vector":"CVSS:3.1/AC:H/AV:P/A:N/C:H/I:N/PR:H/S:U/UI:N","source":"mitre"},"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://www.nuvoton.com/support/product-related-information/security-advisories/sa-002/"],"weaknesses":[],"ingestedAt":"2026-10-29T19:47:05.429Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/25xxx/CVE-2020-25082.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2020-25082","state":"PUBLISHED","datePublished":"2021-08-10T15:28:05.000Z","dateUpdated":"2024-08-04T15:26:09.290Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2020-09-02T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An attacker with physical access to Nuvoton Trusted Platform Module (NPCT75x 7.2.x before 7.2.2.0) could extract an Elliptic Curve Cryptography (ECC) private key via a side-channel attack against ECDSA, because of an Observable Timing Discrepancy."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://www.nuvoton.com/support/product-related-information/security-advisories/sa-002/","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"PHYSICAL","availabilityImpact":"NONE","baseScore":3.8,"baseSeverity":"LOW","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AC:H/AV:P/A:N/C:H/I:N/PR:H/S:U/UI:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2021-08-10T15:28:05.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2020-25082","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":"An attacker with physical access to Nuvoton Trusted Platform Module (NPCT75x 7.2.x before 7.2.2.0) could extract an Elliptic Curve Cryptography (ECC) private key via a side-channel attack against ECDSA, because of an Observable Timing Discrepancy."}]},"impact":{"cvss":{"attackComplexity":"HIGH","attackVector":"PHYSICAL","availabilityImpact":"NONE","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AC:H/AV:P/A:N/C:H/I:N/PR:H/S:U/UI:N","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://www.nuvoton.com/support/product-related-information/security-advisories/sa-002/","refsource":"MISC","url":"https://www.nuvoton.com/support/product-related-information/security-advisories/sa-002/"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://www.nuvoton.com/support/product-related-information/security-advisories/sa-002/","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T15:26:09.290Z"}}]}}}