{"id":"CVE-2021-33126","aliases":["EUVD-2021-19841","GHSA-8f6q-9972-q659"],"status":"published","title":"Improper access control in the firmware for some Intel(R) 700 and 722 Series Ethernet Controllers...","description":"Improper access control in the firmware for some Intel(R) 700 and 722 Series Ethernet Controllers and Adapters before versions 8.5 and 1.5.5 may allow a privileged user to potentially enable denial of service via local access.","severity":{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.002,"percentile":0.09907,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2022-08-18T19:34:49Z","modified":"2026-06-17T03:54:14Z","products":[{"vendor":"intel","product":"ethernet_controller_v710_firmware"},{"vendor":"intel","product":"ethernet_controller_x710_firmware"},{"vendor":"intel","product":"ethernet_controller_xl710_firmware"},{"vendor":"intel","product":"ethernet_controller_xxv710_firmware"},{"vendor":"intel","product":"ethernet_network_adapter_x722da2_firmware"},{"vendor":"intel","product":"ethernet_network_adapter_x722da4fh_firmware"},{"vendor":"intel","product":"ethernet_network_adapter_x722da4g1p5_firmware"}],"references":[{"url":"https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00593.html","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33126"},{"url":"https://github.com/advisories/GHSA-8f6q-9972-q659"}],"sources":{"cve":[{"id":"CVE-2021-33126","description":"Improper access control in the firmware for some Intel(R) 700 and 722 Series Ethernet Controllers and Adapters before versions 8.5 and 1.5.5 may allow a privileged user to potentially enable denial of service via local access.","status":"published","published":"2022-08-18T19:34:49Z","modified":"2025-05-05T16:48:48.023Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"updated_at":"2026-11-02T14:33:10.204494Z"}],"euvd":[{"id":"EUVD-2021-19841","description":"Improper access control in the firmware for some Intel(R) 700 and 722 Series Ethernet Controllers and Adapters before versions 8.5 and 1.5.5 may allow a privileged user to potentially enable denial of service via local access.","status":"published","published":"2022-08-18T19:34:49Z","modified":"2025-05-05T16:48:48Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T20:32:56.053822Z"}],"ghsa":[{"id":"GHSA-8f6q-9972-q659","title":"Improper access control in the firmware for some Intel(R) 700 and 722 Series Ethernet Controllers...","description":"Improper access control in the firmware for some Intel(R) 700 and 722 Series Ethernet Controllers and Adapters before versions 8.5 and 1.5.5 may allow a privileged user to potentially enable denial of service via local access.","status":"published","published":"2022-08-19T00:00:19Z","modified":"2023-01-31T05:05:04Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T14:48:47.205764Z"}],"nvd":[{"id":"CVE-2021-33126","description":"Improper access control in the firmware for some Intel(R) 700 and 722 Series Ethernet Controllers and Adapters before versions 8.5 and 1.5.5 may allow a privileged user to potentially enable denial of service via local access.","status":"published","published":"2022-08-18T20:15:09.5Z","modified":"2026-06-17T03:54:14.783Z","cvss":[{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"updated_at":"2026-11-02T14:07:06.906968Z"}]}}