{"id":"CVE-2021-27074","aliases":["EUVD-2021-13845","GHSA-8434-wqr6-v3mr"],"status":"published","title":"Azure Sphere Unsigned Code Execution Vulnerability","description":"Azure Sphere Unsigned Code Execution Vulnerability","severity":{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:P/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01307,"percentile":0.70945,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-03-11T15:50:40Z","modified":"2026-08-19T18:31:35Z","products":[{"vendor":"microsoft","product":"azure sphere"},{"vendor":"microsoft","product":"azure_sphere"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-27074","tags":["vendor-advisory","patch"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27074","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1247","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1249","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-27074"},{"url":"https://github.com/advisories/GHSA-8434-wqr6-v3mr"}],"sources":{"cve":[{"id":"CVE-2021-27074","title":"Azure Sphere Unsigned Code Execution Vulnerability","description":"Azure Sphere Unsigned Code Execution Vulnerability","status":"published","published":"2021-03-11T15:50:40Z","modified":"2026-08-19T16:30:06.831Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:P/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:04.360272Z"}],"euvd":[{"id":"EUVD-2021-13845","description":"Azure Sphere Unsigned Code Execution Vulnerability","status":"published","published":"2021-03-11T15:50:40Z","modified":"2026-08-19T16:30:06Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:P/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T18:01:42.811156Z"}],"ghsa":[{"id":"GHSA-8434-wqr6-v3mr","title":"Azure Sphere Unsigned Code Execution Vulnerability This CVE ID is unique from CVE-2021-27080.","description":"Azure Sphere Unsigned Code Execution Vulnerability This CVE ID is unique from CVE-2021-27080.","status":"published","published":"2022-05-24T17:44:25Z","modified":"2026-08-19T18:31:35Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:10:40.42434Z"}],"nvd":[{"id":"CVE-2021-27074","description":"Azure Sphere Unsigned Code Execution Vulnerability","status":"published","published":"2021-03-11T16:15:18.067Z","modified":"2026-08-19T17:17:52.103Z","cvss":[{"version":"3.1","score":6.2,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:N/I:C/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:50.805771Z"}]}}