NXP Kinetis KV1x/Kinetis KV3x/Kinetis K8x FAC authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability, which was classified as critical, was found in NXP Kinetis KV1x, Kinetis KV3x and Kinetis K8x (affected version not known). This affects some unknown functionality of the component FAC. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-863. The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. This allows attackers to bypass intended access restrictions. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was disclosed 09/12/2019. This vulnerability is uniquely identified as CVE-2019-14237 since 07/22/2019. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entry VDB-141716 is pretty similar.




CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍


VulDB Meta Base Score: 7.7
VulDB Meta Temp Score: 7.7

VulDB Base Score: 5.6
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: Authorization
CWE: CWE-863 / CWE-285 / CWE-266

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍


07/22/2019 🔍
09/12/2019 +52 days 🔍
09/13/2019 +1 days 🔍
12/19/2023 +1558 days 🔍


Advisory: usenix.org
Status: Not defined

CVE: CVE-2019-14237 (🔍)
See also: 🔍


Created: 09/13/2019 08:18 AM
Updated: 12/19/2023 02:55 PM
Changes: 09/13/2019 08:18 AM (34), 08/22/2020 02:55 PM (17), 12/19/2023 02:55 PM (3)
Complete: 🔍
Cache ID: 3:522:40


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