The Readout Protection protection mode of microprogramming software for microcontrollers from Puya Semiconductor, models PY32F00X, PY32F0XX, and PY32F403, allows unauthorized access by intruders to the protected information.

The vulnerability of the Readout Protection protection mechanism in microprogramming software for microcontroller devices from Puya Semiconductor, models PY32F00X, PY32F0XX, and PY32F403, is related to deficiencies in the mechanism for assigning internal resources with access levels for debugging...