{"id":"CVE-2020-16991","aliases":["EUVD-2020-8948","GHSA-5wcg-gp2m-75xf"],"status":"published","title":"Azure Sphere Unsigned Code Execution Vulnerability","description":"Azure Sphere Unsigned Code Execution Vulnerability","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L/E:U/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01702,"percentile":0.77535,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2020-11-11T06:47:55Z","modified":"2026-06-17T02:58:25Z","products":[{"vendor":"microsoft","product":"azure sphere"},{"vendor":"microsoft","product":"azure_sphere"}],"references":[{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2020-1090","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16991","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-16991"},{"url":"https://github.com/advisories/GHSA-5wcg-gp2m-75xf"}],"sources":{"cve":[{"id":"CVE-2020-16991","title":"Azure Sphere Unsigned Code Execution Vulnerability","description":"Azure Sphere Unsigned Code Execution Vulnerability","status":"published","published":"2020-11-11T06:47:55Z","modified":"2024-09-10T15:51:39.194Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L/E:U/RL:O/RC:C","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:59.116379Z"}],"euvd":[{"id":"EUVD-2020-8948","description":"Azure Sphere Unsigned Code Execution Vulnerability","status":"published","published":"2020-11-11T06:47:55Z","modified":"2024-09-10T15:51:39Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L/E:U/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-03T00:55:59.274325Z"}],"ghsa":[{"id":"GHSA-5wcg-gp2m-75xf","title":"Azure Sphere Unsigned Code Execution Vulnerability This CVE ID is unique from CVE-2020-16970, CVE...","description":"Azure Sphere Unsigned Code Execution Vulnerability This CVE ID is unique from CVE-2020-16970, CVE-2020-16982, CVE-2020-16984, CVE-2020-16987, CVE-2020-16994.","status":"published","published":"2022-05-24T17:33:39Z","modified":"2024-01-09T05:04:51Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L","level":"high"}],"updated_at":"2026-11-02T14:55:21.919096Z"}],"nvd":[{"id":"CVE-2020-16991","description":"Azure Sphere Unsigned Code Execution Vulnerability","status":"published","published":"2020-11-11T07:15:13.263Z","modified":"2026-06-17T02:58:25.63Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L","level":"high","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":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:P/A:N","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:06:24.137599Z"}]}}
