{"id":"CVE-2025-21096","aliases":["EUVD-2025-24424","GHSA-f9vg-w87m-3hqm"],"status":"published","title":"Improper buffer restrictions in the firmware for some Intel(R) TDX may allow a privileged user to...","description":"Improper buffer restrictions in the firmware for some Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via local access.","severity":{"version":"4.0","score":2,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00137,"percentile":0.03112,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2025-08-12T16:58:29Z","modified":"2026-06-17T08:42:36Z","references":[{"url":"https://intel.com/content/www/us/en/security-center/advisory/intel-sa-01312.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-21096"},{"url":"https://github.com/advisories/GHSA-f9vg-w87m-3hqm"}],"sources":{"cve":[{"id":"CVE-2025-21096","description":"Improper buffer restrictions in the firmware for some Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via local access.","status":"published","published":"2025-08-12T16:58:29.807Z","modified":"2026-02-26T17:49:34.117Z","cvss":[{"version":"4.0","score":2,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"low","assessor":"cna"},{"version":"3.1","score":1.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:32:32.30152Z"}],"euvd":[{"id":"EUVD-2025-24424","description":"Improper buffer restrictions in the firmware for some Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via local access.","status":"published","published":"2025-08-12T16:58:29Z","modified":"2026-02-26T17:49:34Z","cvss":[{"version":"4.0","score":2,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","level":"low"}],"updated_at":"2026-11-02T19:48:20.263706Z"}],"ghsa":[{"id":"GHSA-f9vg-w87m-3hqm","title":"Improper buffer restrictions in the firmware for some Intel(R) TDX may allow a privileged user to...","description":"Improper buffer restrictions in the firmware for some Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via local access.","status":"published","published":"2025-08-12T18:31:28Z","modified":"2025-08-12T18:31:33Z","cvss":[{"version":"4.0","score":1.8,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low"},{"version":"3.1","score":1.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:03:14.998043Z"}],"nvd":[{"id":"CVE-2025-21096","description":"Improper buffer restrictions in the firmware for some Intel(R) TDX may allow a privileged user to potentially enable escalation of privilege via local access.","status":"published","published":"2025-08-12T17:15:31.19Z","modified":"2026-06-17T08:42:36.037Z","cvss":[{"version":"4.0","score":1.8,"vector":"CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low","assessor":"secondary"},{"version":"3.1","score":1.9,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:11:22.953396Z"}]}}