{"id":"CVE-2026-6923","aliases":["EUVD-2026-30328","GHSA-j7g5-cj58-4v5f"],"status":"published","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.","severity":{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00117,"percentile":0.01696,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1300"],"published":"2026-05-14T16:14:33Z","modified":"2026-10-26T14:10:00Z","products":[{"vendor":"nuvoton","product":"npct7xx"}],"references":[{"url":"https://www.gov.il/en/departments/dynamiccollectors/cve_advisories_listing?skip=0"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6923"},{"url":"https://github.com/advisories/GHSA-j7g5-cj58-4v5f"}],"sources":{"cve":[{"id":"CVE-2026-6923","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.","status":"published","published":"2026-05-14T16:14:33.541Z","modified":"2026-05-14T18:33:12.447Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-1300"],"updated_at":"2026-11-02T13:49:53.818886Z"}],"euvd":[{"id":"EUVD-2026-30328","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.","status":"published","published":"2026-05-14T16:14:33Z","modified":"2026-05-14T18:33:12Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"low"}],"updated_at":"2026-11-02T19:04:30.595644Z"}],"ghsa":[{"id":"GHSA-j7g5-cj58-4v5f","title":"A side-channel attack, which requires a physical presence to the TPM, can lead to extraction of...","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.","status":"published","published":"2026-05-14T18:32:57Z","modified":"2026-05-14T18:33:03Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"low"}],"cwes":["CWE-1300"],"updated_at":"2026-11-02T15:08:08.953643Z"}],"nvd":[{"id":"CVE-2026-6923","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.","status":"published","published":"2026-05-14T17:16:24.213Z","modified":"2026-10-26T14:10:00.13Z","cvss":[{"version":"3.1","score":3.8,"vector":"CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-1300"],"updated_at":"2026-11-02T14:12:19.020465Z"}]}}