{"api_version":"1","generated_at":"2026-06-04T03:26:46+00:00","cve":"CVE-2026-6923","urls":{"html":"https://cve.report/CVE-2026-6923","api":"https://cve.report/api/cve/CVE-2026-6923.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-6923","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-6923"},"summary":{"title":"Nuvoton - CWE-1300: Improper Protection of Physical Side Channels","description":"A side-channel attack, which requires a physical presence to the TPM, can lead to extraction of an Elliptic Curve Diffie-Hellman (ECDH) key.","state":"PUBLISHED","assigner":"INCD","published_at":"2026-05-14 17:16:24","updated_at":"2026-05-14 18:24:08"},"problem_types":["CWE-1300","CWE-1300 CWE-1300 Improper protection of physical side channels"],"metrics":[{"version":"3.1","source":"cna@cyber.gov.il","type":"Secondary","score":"3.8","severity":"LOW","vector":"CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N","baseScore":3.8,"baseSeverity":"LOW","attackVector":"PHYSICAL","attackComplexity":"HIGH","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"3.8","severity":"LOW","vector":"CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N","data":{"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/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}}],"references":[{"url":"https://www.gov.il/en/departments/dynamiccollectors/cve_advisories_listing?skip=0","name":"https://www.gov.il/en/departments/dynamiccollectors/cve_advisories_listing?skip=0","refsource":"cna@cyber.gov.il","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-6923","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6923","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Nuvoton","product":"NPCT7xx","version":"affected all versions below 7.2.4.0 cpe","platforms":[]}],"timeline":[],"solutions":[{"source":"CNA","title":"","value":"Upgrade to version 7.2.4.0 or above.","time":"","lang":"en"}],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Robin Muller, Roman Korkikian - uSec","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"6923","cve":"CVE-2026-6923","epss":"0.000190000","percentile":"0.052680000","score_date":"2026-05-25","updated_at":"2026-05-26 00:10:59"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"NPCT7xx","vendor":"Nuvoton","versions":[{"status":"affected","version":"all versions below 7.2.4.0","versionType":"cpe"}]}],"credits":[{"lang":"en","type":"finder","value":"Robin Muller, Roman Korkikian - uSec"}],"datePublic":"2026-05-14T16:01:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"A side-channel attack, which requires a physical presence to the TPM, can lead to extraction of an Elliptic Curve Diffie-Hellman (ECDH) key."}],"value":"A side-channel attack, which requires a physical presence to the TPM, can lead to extraction of an Elliptic Curve Diffie-Hellman (ECDH) key."}],"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/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1300","description":"CWE-1300 Improper protection of physical side channels","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-05-14T16:14:33.541Z","orgId":"a57ee1ae-c9c1-4f40-aa7b-cf10760fde3f","shortName":"INCD"},"references":[{"url":"https://www.gov.il/en/departments/dynamiccollectors/cve_advisories_listing?skip=0"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Upgrade to version 7.2.4.0 or above."}],"value":"Upgrade to version 7.2.4.0 or above."}],"source":{"advisory":"ILVN-2026-0259","discovery":"UNKNOWN"},"title":"Nuvoton - CWE-1300: Improper Protection of Physical Side Channels","x_generator":{"engine":"Vulnogram 1.0.2"}}},"cveMetadata":{"assignerOrgId":"a57ee1ae-c9c1-4f40-aa7b-cf10760fde3f","assignerShortName":"INCD","cveId":"CVE-2026-6923","datePublished":"2026-05-14T16:14:33.541Z","dateReserved":"2026-04-23T16:23:24.316Z","dateUpdated":"2026-05-14T16:14:33.541Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-14 17:16:24","lastModifiedDate":"2026-05-14 18:24:08","problem_types":["CWE-1300","CWE-1300 CWE-1300 Improper protection of physical side channels"],"metrics":{"cvssMetricV31":[{"source":"cna@cyber.gov.il","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N","baseScore":3.8,"baseSeverity":"LOW","attackVector":"PHYSICAL","attackComplexity":"HIGH","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":0.2,"impactScore":3.6}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"6923","Ordinal":"1","Title":"Nuvoton - CWE-1300: Improper Protection of Physical Side Channel","CVE":"CVE-2026-6923","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"6923","Ordinal":"1","NoteData":"A side-channel attack, which requires a physical presence to the TPM, can lead to extraction of an Elliptic Curve Diffie-Hellman (ECDH) key.","Type":"Description","Title":"Nuvoton - CWE-1300: Improper Protection of Physical Side Channel"}]}}}