{"id":"CVE-2020-0523","aliases":["EUVD-2020-2021","GHSA-26wj-j8fv-r797"],"status":"published","title":"Improper access control in the firmware for the Intel(R) Ethernet I210 Controller series of...","description":"Improper access control in the firmware for the Intel(R) Ethernet I210 Controller series of network adapters before version 3.30 may potentially allow a privileged user to enable a 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":"2026-11-09","score":0.00267,"percentile":0.18939,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-863"],"published":"2021-02-17T13:57:47Z","modified":"2026-06-17T02:45:58Z","products":[{"vendor":"intel","product":"ethernet_controller_i210_firmware"}],"references":[{"url":"https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00318.html","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-0523"},{"url":"https://github.com/advisories/GHSA-26wj-j8fv-r797"}],"sources":{"cve":[{"id":"CVE-2020-0523","description":"Improper access control in the firmware for the Intel(R) Ethernet I210 Controller series of network adapters before version 3.30 may potentially allow a privileged user to enable a denial of service via local access.","status":"published","published":"2021-02-17T13:57:47Z","modified":"2024-08-04T06:02:52.292Z","updated_at":"2026-11-02T14:35:59.434367Z"}],"euvd":[{"id":"EUVD-2020-2021","description":"Improper access control in the firmware for the Intel(R) Ethernet I210 Controller series of network adapters before version 3.30 may potentially allow a privileged user to enable a denial of service via local access.","status":"published","published":"2021-02-17T13:57:47Z","modified":"2024-08-04T06:02:52Z","updated_at":"2026-11-03T03:08:19.671968Z"}],"ghsa":[{"id":"GHSA-26wj-j8fv-r797","title":"Improper access control in the firmware for the Intel(R) Ethernet I210 Controller series of...","description":"Improper access control in the firmware for the Intel(R) Ethernet I210 Controller series of network adapters before version 3.30 may potentially allow a privileged user to enable a denial of service via local access.","status":"published","published":"2022-05-24T17:42:24Z","modified":"2023-01-29T05:06:36Z","cwes":["CWE-863"],"updated_at":"2026-11-02T14:46:03.953317Z"}],"nvd":[{"id":"CVE-2020-0523","description":"Improper access control in the firmware for the Intel(R) Ethernet I210 Controller series of network adapters before version 3.30 may potentially allow a privileged user to enable a denial of service via local access.","status":"published","published":"2021-02-17T14:15:14.797Z","modified":"2026-06-17T02:45:58.607Z","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":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:06:34.188486Z"}]}}