Improper access control

2019-09-2419:15:00

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6.6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

25.6%

JSON

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.