On NXP Kinetis KV1x, Kinetis KV3x, and Kinetis K8x devices, Flash Access Controls (FAC)…
Priority LOW 29CWE-287Published · Updated
Key facts
- Attack vector
- Physical
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
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.
Why it matters now
EPSS 0.00401 34th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:nxp:kinetis_kv1x_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NXP |
| cpe:2.3:h:nxp:kinetis_kv1x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NXP |
| cpe:2.3:o:nxp:kinetis_kv3x_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NXP |
| cpe:2.3:h:nxp:kinetis_kv3x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NXP |
| cpe:2.3:o:nxp:kinetis_k8x_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | NXP |
| cpe:2.3:h:nxp:kinetis_k8x:-:*:*:*:*:*:*:* | not specified by NVD | Running on | NXP |
- cpe:2.3:o:nxp:kinetis_kv1x_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NXP
- cpe:2.3:h:nxp:kinetis_kv1x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NXP
- cpe:2.3:o:nxp:kinetis_kv3x_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NXP
- cpe:2.3:h:nxp:kinetis_kv3x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NXP
- cpe:2.3:o:nxp:kinetis_k8x_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·NXP
- cpe:2.3:h:nxp:kinetis_k8x:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·NXP
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-14239
- 2026-10-03 Alias added: GHSA-6399-hf47-6qj8
References
More NXP Kinetis K8x Firmware vulnerabilities
- TI-2019-10598 On NXP Kinetis KV1x, Kinetis KV3x, and Kinetis K8x devices, Flash Access Controls (FAC)… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2019-14239 · CVE Program
- CVE-2019-14239 · NVD
- FIRST EPSS
- GHSA-6399-hf47-6qj8 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences