CVE-2019-14237

Name: CVE-2019-14237
Creator: NVD / NIST
Published: 2019-09-12T18:15:12.007+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.92%

Last modified Jun 17, 2026

CVE-2019-14237 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 2.92% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.92%

85.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

Affected Software

Vendor	Product	Versions
Nxp	Kinetis Kv1x Firmware	All versions
Nxp	Kinetis Kv3x Firmware	All versions
Nxp	Kinetis K8x Firmware	All versions

References

https://www.usenix.org/system/files/woot19-paper_schink.pdfExploit, Mitigation, Third Party Advisory
https://www.usenix.org/system/files/woot19-paper_schink.pdfExploit, Mitigation, Third Party Advisory

Timeline

Published: Sep 12, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-14237?

How severe is CVE-2019-14237?

CVE-2019-14237 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.92% probability of exploitation in the next 30 days.

How do I fix CVE-2019-14237?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-14237?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST