{"id":"CVE-2020-8508","aliases":["EUVD-2020-29374","GHSA-5cgc-6xhj-2rwc"],"status":"published","title":"nsak64.sys in Norman Malware Cleaner 2.08.08 allows users to call arbitrary kernel functions...","description":"nsak64.sys in Norman Malware Cleaner 2.08.08 allows users to call arbitrary kernel functions because the passing of function pointers between user and kernel mode is mishandled.","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01719,"percentile":0.77655,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2020-02-03T02:43:06Z","modified":"2026-06-17T03:26:29Z","products":[{"vendor":"norman","product":"malware_cleaner"}],"references":[{"url":"https://downwithup.github.io/CVEPosts.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8508"},{"url":"https://github.com/advisories/GHSA-5cgc-6xhj-2rwc"}],"sources":{"cve":[{"id":"CVE-2020-8508","description":"nsak64.sys in Norman Malware Cleaner 2.08.08 allows users to call arbitrary kernel functions because the passing of function pointers between user and kernel mode is mishandled.","status":"published","published":"2020-02-03T02:43:06Z","modified":"2024-08-04T10:03:45.785Z","updated_at":"2026-11-02T14:35:50.88562Z"}],"euvd":[{"id":"EUVD-2020-29374","description":"nsak64.sys in Norman Malware Cleaner 2.08.08 allows users to call arbitrary kernel functions because the passing of function pointers between user and kernel mode is mishandled.","status":"published","published":"2020-02-03T02:43:06Z","modified":"2024-08-04T10:03:45Z","updated_at":"2026-11-03T03:07:57.14802Z"}],"ghsa":[{"id":"GHSA-5cgc-6xhj-2rwc","title":"nsak64.sys in Norman Malware Cleaner 2.08.08 allows users to call arbitrary kernel functions...","description":"nsak64.sys in Norman Malware Cleaner 2.08.08 allows users to call arbitrary kernel functions because the passing of function pointers between user and kernel mode is mishandled.","status":"published","published":"2022-05-24T17:07:53Z","modified":"2023-01-29T05:01:26Z","updated_at":"2026-11-02T14:44:49.414884Z"}],"nvd":[{"id":"CVE-2020-8508","description":"nsak64.sys in Norman Malware Cleaner 2.08.08 allows users to call arbitrary kernel functions because the passing of function pointers between user and kernel mode is mishandled.","status":"published","published":"2020-02-03T03:15:11.853Z","modified":"2026-06-17T03:26:29.4Z","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","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-787"],"updated_at":"2026-11-02T14:05:53.837808Z"}]}}