{"id":"CVE-2021-43889","aliases":["EUVD-2021-30751","GHSA-rpx5-2jw7-fmx4"],"status":"published","title":"Microsoft Defender for IoT Remote Code Execution Vulnerability","description":"Microsoft Defender for IoT Remote Code Execution Vulnerability","severity":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.02354,"percentile":0.83849,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2021-12-15T14:15:35Z","modified":"2026-06-17T04:11:37Z","products":[{"vendor":"microsoft","product":"defender_for_iot"},{"vendor":"microsoft","product":"microsoft defender for iot"}],"references":[{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43889","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43889"},{"url":"https://github.com/advisories/GHSA-rpx5-2jw7-fmx4"}],"sources":{"cve":[{"id":"CVE-2021-43889","title":"Microsoft Defender for IoT Remote Code Execution Vulnerability","description":"Microsoft Defender for IoT Remote Code Execution Vulnerability","status":"published","published":"2021-12-15T14:15:35Z","modified":"2024-08-04T04:10:16.568Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2021-30751","description":"Microsoft Defender for IoT Remote Code Execution Vulnerability","status":"published","published":"2021-12-15T14:15:35Z","modified":"2024-08-04T04:10:16Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-03T03:24:13.193734Z"}],"ghsa":[{"id":"GHSA-rpx5-2jw7-fmx4","title":"Microsoft Defender for IoT Remote Code Execution Vulnerability This CVE ID is unique from CVE...","description":"Microsoft Defender for IoT Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-41365, CVE-2021-42310, CVE-2021-42311, CVE-2021-42313, CVE-2021-42314, CVE-2021-42315, CVE-2021-43882.","status":"published","published":"2021-12-16T00:01:44Z","modified":"2023-01-27T05:01:13Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:41:50.629165Z"}],"nvd":[{"id":"CVE-2021-43889","description":"Microsoft Defender for IoT Remote Code Execution Vulnerability","status":"published","published":"2021-12-15T15:15:11.163Z","modified":"2026-06-17T04:11:37.077Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:07:02.189991Z"}]}}