{"id":"CVE-2019-14237","aliases":["EUVD-2019-5479","GHSA-376r-8qwc-r5qg"],"status":"published","title":"On NXP Kinetis KV1x, Kinetis KV3x, and Kinetis K8x devices, Flash Access Controls (FAC) (a...","description":"On NXP Kinetis KV1x, Kinetis KV3x, and Kinetis K8x devices, Flash Access Controls (FAC) (a software IP protection method for execute-only access) can be defeated by observing CPU registers and the effect of code/instruction execution.","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":"2026-11-09","score":0.02923,"percentile":0.87145,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-863"],"published":"2019-09-12T17:56:44Z","modified":"2026-06-17T02:18:00Z","products":[{"vendor":"nxp","product":"kinetis_k8x_firmware"},{"vendor":"nxp","product":"kinetis_kv1x_firmware"},{"vendor":"nxp","product":"kinetis_kv3x_firmware"}],"references":[{"url":"https://www.usenix.org/system/files/woot19-paper_schink.pdf","tags":["x_refsource_MISC","x_transferred","Exploit","Mitigation","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-14237"},{"url":"https://github.com/advisories/GHSA-376r-8qwc-r5qg"}],"sources":{"cve":[{"id":"CVE-2019-14237","description":"On NXP Kinetis KV1x, Kinetis KV3x, and Kinetis K8x devices, Flash Access Controls (FAC) (a software IP protection method for execute-only access) can be defeated by observing CPU registers and the effect of code/instruction execution.","status":"published","published":"2019-09-12T17:56:44Z","modified":"2024-08-05T00:12:43.376Z","updated_at":"2026-11-02T14:20:18.085548Z"}],"euvd":[{"id":"EUVD-2019-5479","description":"On NXP Kinetis KV1x, Kinetis KV3x, and Kinetis K8x devices, Flash Access Controls (FAC) (a software IP protection method for execute-only access) can be defeated by observing CPU registers and the effect of code/instruction execution.","status":"published","published":"2019-09-12T17:56:44Z","modified":"2024-08-05T00:12:43Z","updated_at":"2026-11-03T02:40:40.053391Z"}],"ghsa":[{"id":"GHSA-376r-8qwc-r5qg","title":"On NXP Kinetis KV1x, Kinetis KV3x, and Kinetis K8x devices, Flash Access Controls (FAC) (a...","description":"On NXP Kinetis KV1x, Kinetis KV3x, and Kinetis K8x devices, Flash Access Controls (FAC) (a software IP protection method for execute-only access) can be defeated by observing CPU registers and the effect of code/instruction execution.","status":"published","published":"2022-05-24T16:56:02Z","modified":"2024-04-11T21:10:15Z","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-863"],"updated_at":"2026-11-02T14:57:07.969203Z"}],"nvd":[{"id":"CVE-2019-14237","description":"On NXP Kinetis KV1x, Kinetis KV3x, and Kinetis K8x devices, Flash Access Controls (FAC) (a software IP protection method for execute-only access) can be defeated by observing CPU registers and the effect of code/instruction execution.","status":"published","published":"2019-09-12T18:15:12.007Z","modified":"2026-06-17T02:18:00.913Z","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-863"],"updated_at":"2026-11-02T14:05:28.126831Z"}]}}