{"id":"CVE-2021-33137","aliases":["EUVD-2021-19852","GHSA-9mjx-7c67-crwf"],"status":"published","title":"Out-of-bounds write in the Intel(R) Kernelflinger project may allow an authenticated user to...","description":"Out-of-bounds write in the Intel(R) Kernelflinger project may allow an authenticated user to potentially enable escalation of privilege via local access.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00241,"percentile":0.15313,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2022-02-09T22:04:43Z","modified":"2026-06-17T03:54:15Z","products":[{"vendor":"intel","product":"kernelflinger"}],"references":[{"url":"https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00591.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33137"},{"url":"https://github.com/advisories/GHSA-9mjx-7c67-crwf"}],"sources":{"cve":[{"id":"CVE-2021-33137","description":"Out-of-bounds write in the Intel(R) Kernelflinger project may allow an authenticated user to potentially enable escalation of privilege via local access.","status":"published","published":"2022-02-09T22:04:43Z","modified":"2025-05-05T16:47:59.913Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:33:10.204494Z"}],"euvd":[{"id":"EUVD-2021-19852","description":"Out-of-bounds write in the Intel(R) Kernelflinger project may allow an authenticated user to potentially enable escalation of privilege via local access.","status":"published","published":"2022-02-09T22:04:43Z","modified":"2025-05-05T16:47:59Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:32:56.053822Z"}],"ghsa":[{"id":"GHSA-9mjx-7c67-crwf","title":"Out-of-bounds write in the Intel(R) Kernelflinger project may allow an authenticated user to...","description":"Out-of-bounds write in the Intel(R) Kernelflinger project may allow an authenticated user to potentially enable escalation of privilege via local access.","status":"published","published":"2022-02-11T00:00:56Z","modified":"2025-05-05T18:32:35Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T15:02:07.480076Z"}],"nvd":[{"id":"CVE-2021-33137","description":"Out-of-bounds write in the Intel(R) Kernelflinger project may allow an authenticated user to potentially enable escalation of privilege via local access.","status":"published","published":"2022-02-09T23:15:15.703Z","modified":"2026-06-17T03:54:15.627Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:04.6896Z"}]}}