{"id":"CVE-2021-43882","aliases":["EUVD-2021-30744","GHSA-vf2w-cq9r-cwvw"],"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":9,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.02578,"percentile":0.8532,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-295","CWE-94"],"published":"2021-12-15T14:15:32Z","modified":"2026-06-17T04:11:36Z","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-2021-43882","tags":["x_refsource_MISC","x_transferred","Patch","Vendor Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-21-1553/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43882"},{"url":"https://github.com/advisories/GHSA-vf2w-cq9r-cwvw"}],"sources":{"cve":[{"id":"CVE-2021-43882","title":"Microsoft Defender for IoT Remote Code Execution Vulnerability","description":"Microsoft Defender for IoT Remote Code Execution Vulnerability","status":"published","published":"2021-12-15T14:15:32Z","modified":"2024-08-04T04:10:17.098Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical","assessor":"cna"}],"updated_at":"2026-11-02T14:32:56.689433Z"}],"euvd":[{"id":"EUVD-2021-30744","description":"Microsoft Defender for IoT Remote Code Execution Vulnerability","status":"published","published":"2021-12-15T14:15:32Z","modified":"2024-08-04T04:10:17Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C","level":"critical"}],"updated_at":"2026-11-03T03:24:12.599691Z"}],"ghsa":[{"id":"GHSA-vf2w-cq9r-cwvw","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-2021-43889.","status":"published","published":"2021-12-16T00:01:45Z","modified":"2023-12-28T00:30:20Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-94","CWE-295"],"updated_at":"2026-11-02T14:55:16.928981Z"}],"nvd":[{"id":"CVE-2021-43882","description":"Microsoft Defender for IoT Remote Code Execution Vulnerability","status":"published","published":"2021-12-15T15:15:11.04Z","modified":"2026-06-17T04:11:36.657Z","cvss":[{"version":"3.1","score":9,"vector":"CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-295"],"updated_at":"2026-11-02T14:07:02.189991Z"}]}}