{"id":"CVE-2021-27080","aliases":["EUVD-2021-13851","GHSA-rqr5-7m2q-c54f"],"status":"published","title":"Azure Sphere Unsigned Code Execution Vulnerability","description":"Azure Sphere Unsigned Code Execution Vulnerability","severity":{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01278,"percentile":0.70355,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-03-11T15:47:12Z","modified":"2026-08-19T18:32:36Z","products":[{"vendor":"microsoft","product":"azure sphere"},{"vendor":"microsoft","product":"azure_sphere"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-27080","tags":["vendor-advisory","patch"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27080","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1250","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-27080"},{"url":"https://github.com/advisories/GHSA-rqr5-7m2q-c54f"}],"sources":{"cve":[{"id":"CVE-2021-27080","title":"Azure Sphere Unsigned Code Execution Vulnerability","description":"Azure Sphere Unsigned Code Execution Vulnerability","status":"published","published":"2021-03-11T15:47:12Z","modified":"2026-08-19T16:30:08.423Z","cvss":[{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"cna"}],"updated_at":"2026-11-02T14:33:04.360272Z"}],"euvd":[{"id":"EUVD-2021-13851","description":"Azure Sphere Unsigned Code Execution Vulnerability","status":"published","published":"2021-03-11T15:47:12Z","modified":"2026-08-19T16:30:08Z","cvss":[{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T18:01:42.811156Z"}],"ghsa":[{"id":"GHSA-rqr5-7m2q-c54f","title":"Azure Sphere Unsigned Code Execution Vulnerability This CVE ID is unique from CVE-2021-27074.","description":"Azure Sphere Unsigned Code Execution Vulnerability This CVE ID is unique from CVE-2021-27074.","status":"published","published":"2022-05-24T17:44:25Z","modified":"2026-08-19T18:32:36Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:10:42.300371Z"}],"nvd":[{"id":"CVE-2021-27080","description":"Azure Sphere Unsigned Code Execution Vulnerability","status":"published","published":"2021-03-11T16:15:18.317Z","modified":"2026-08-19T17:17:52.9Z","cvss":[{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:06:50.805771Z"}]}}