{"id":"CVE-2021-28460","aliases":["EUVD-2021-15138","GHSA-5mhj-whv9-3653"],"status":"published","title":"Azure Sphere Unsigned Code Execution Vulnerability","description":"Azure Sphere Unsigned Code Execution Vulnerability","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00532,"percentile":0.45467,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-04-13T19:33:39Z","modified":"2026-06-17T03:46:24Z","products":[{"vendor":"microsoft","product":"azure sphere"},{"vendor":"microsoft","product":"azure_sphere"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28460","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28460"},{"url":"https://github.com/advisories/GHSA-5mhj-whv9-3653"}],"sources":{"cve":[{"id":"CVE-2021-28460","title":"Azure Sphere Unsigned Code Execution Vulnerability","description":"Azure Sphere Unsigned Code Execution Vulnerability","status":"published","published":"2021-04-13T19:33:39Z","modified":"2024-08-03T21:40:14.316Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:33:09.175141Z"}],"euvd":[{"id":"EUVD-2021-15138","description":"Azure Sphere Unsigned Code Execution Vulnerability","status":"published","published":"2021-04-13T19:33:39Z","modified":"2024-08-03T21:40:14Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-03T03:24:46.751124Z"}],"ghsa":[{"id":"GHSA-5mhj-whv9-3653","title":"Azure Sphere Unsigned Code Execution Vulnerability","description":"Azure Sphere Unsigned Code Execution Vulnerability","status":"published","published":"2022-05-24T17:47:27Z","modified":"2023-12-29T03:30:26Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T14:55:17.557989Z"}],"nvd":[{"id":"CVE-2021-28460","description":"Azure Sphere Unsigned Code Execution Vulnerability","status":"published","published":"2021-04-13T20:15:20.733Z","modified":"2026-06-17T03:46:24.253Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:51.610648Z"}]}}