{"id":"CVE-2021-26430","aliases":["EUVD-2021-13235","GHSA-c556-742c-cv9q"],"status":"published","title":"Azure Sphere Denial of Service Vulnerability","description":"Azure Sphere Denial of Service Vulnerability","severity":{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H/E:P/RL:O/RC:C","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00732,"percentile":0.54606,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-08-12T18:11:40Z","modified":"2026-08-10T18:30:53Z","products":[{"vendor":"microsoft","product":"azure sphere"},{"vendor":"microsoft","product":"azure_sphere"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-26430","tags":["vendor-advisory","patch"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26430","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26430"},{"url":"https://github.com/advisories/GHSA-c556-742c-cv9q"}],"sources":{"cve":[{"id":"CVE-2021-26430","title":"Azure Sphere Denial of Service Vulnerability","description":"Azure Sphere Denial of Service Vulnerability","status":"published","published":"2021-08-12T18:11:40Z","modified":"2026-08-10T15:10:03.214Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H/E:P/RL:O/RC:C","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:32:57.368269Z"}],"euvd":[{"id":"EUVD-2021-13235","description":"Azure Sphere Denial of Service Vulnerability","status":"published","published":"2021-08-12T18:11:40Z","modified":"2026-08-10T15:10:03Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H/E:P/RL:O/RC:C","level":"medium"}],"updated_at":"2026-11-02T18:02:05.388264Z"}],"ghsa":[{"id":"GHSA-c556-742c-cv9q","title":"Azure Sphere Denial of Service Vulnerability","description":"Azure Sphere Denial of Service Vulnerability","status":"published","published":"2022-05-24T19:10:53Z","modified":"2026-08-10T18:30:53Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:10:14.704025Z"}],"nvd":[{"id":"CVE-2021-26430","description":"Azure Sphere Denial of Service Vulnerability","status":"published","published":"2021-08-12T18:15:08.78Z","modified":"2026-08-10T16:17:33.54Z","cvss":[{"version":"3.1","score":6,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:06:56.943671Z"}]}}