{"id":"CVE-2021-28506","aliases":["EUVD-2021-15182","GHSA-6vpx-f5jx-6w5m"],"status":"published","title":"An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device.","description":"An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01465,"percentile":0.73997,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-285","CWE-306","CWE-862","CWE-863"],"published":"2022-01-14T19:04:50Z","modified":"2026-06-17T03:46:29Z","products":[{"vendor":"arista","product":"eos"},{"vendor":"arista networks","product":"eos"}],"references":[{"url":"https://www.arista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071","tags":["x_refsource_MISC","x_transferred","Exploit","Mitigation","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28506"},{"url":"https://github.com/advisories/GHSA-6vpx-f5jx-6w5m"}],"sources":{"cve":[{"id":"CVE-2021-28506","title":"An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device.","description":"An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device.","status":"published","published":"2022-01-14T19:04:50.282Z","modified":"2024-09-16T22:09:48.017Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-285"],"updated_at":"2026-11-02T14:33:08.811269Z"}],"euvd":[{"id":"EUVD-2021-15182","description":"An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device.","status":"published","published":"2022-01-14T19:04:50Z","modified":"2024-09-16T22:09:48Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:55:05.279117Z"}],"ghsa":[{"id":"GHSA-6vpx-f5jx-6w5m","title":"An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip...","description":"An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device.","status":"published","published":"2022-01-15T00:01:30Z","modified":"2023-01-27T05:02:19Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"cwes":["CWE-306","CWE-863"],"updated_at":"2026-11-02T14:42:02.546908Z"}],"nvd":[{"id":"CVE-2021-28506","description":"An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device.","status":"published","published":"2022-01-14T20:15:10.327Z","modified":"2026-06-17T03:46:29.087Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":9.4,"vector":"AV:N/AC:L/Au:N/C:N/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-285","CWE-306","CWE-862"],"updated_at":"2026-11-02T14:07:03.821385Z"}]}}