{"id":"CVE-2019-14239","aliases":["EUVD-2019-5481","GHSA-6399-hf47-6qj8"],"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 leveraging a load instruction inside the execute-only region to expose the protected code into a CPU register.","severity":{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00401,"percentile":0.34636,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2019-09-24T18:14:47Z","modified":"2026-06-17T02:18:01Z","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://www.usenix.org/conference/woot19/presentation/schink","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-14239"},{"url":"https://github.com/advisories/GHSA-6399-hf47-6qj8"}],"sources":{"cve":[{"id":"CVE-2019-14239","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 leveraging a load instruction inside the execute-only region to expose the protected code into a CPU register.","status":"published","published":"2019-09-24T18:14:47Z","modified":"2024-08-05T00:12:43.345Z","updated_at":"2026-11-02T14:20:18.085548Z"}],"euvd":[{"id":"EUVD-2019-5481","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 leveraging a load instruction inside the execute-only region to expose the protected code into a CPU register.","status":"published","published":"2019-09-24T18:14:47Z","modified":"2024-08-05T00:12:43Z","updated_at":"2026-11-03T02:40:40.053391Z"}],"ghsa":[{"id":"GHSA-6399-hf47-6qj8","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 leveraging a load instruction inside the execute-only region to expose the protected code into a CPU register.","status":"published","published":"2022-05-24T16:56:42Z","modified":"2024-04-04T01:59:23Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:56:05.019773Z"}],"nvd":[{"id":"CVE-2019-14239","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 leveraging a load instruction inside the execute-only region to expose the protected code into a CPU register.","status":"published","published":"2019-09-24T19:15:11.333Z","modified":"2026-06-17T02:18:01.21Z","cvss":[{"version":"3.1","score":6.6,"vector":"CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"},{"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-287"],"updated_at":"2026-11-02T14:05:28.126831Z"}]}}