Description
On STMicroelectronics STM32F7 devices, Proprietary Code Read Out Protection (PCROP) (a software IP protection method) can be defeated with a debug probe via the Instruction Tightly Coupled Memory (ITCM) bus.
References (2)
Core 2
Core References
Exploit, Mitigation, Third Party Advisory x_refsource_misc
https://www.usenix.org/system/files/woot19-paper_schink.pdf
Exploit, Third Party Advisory x_refsource_misc
https://www.usenix.org/conference/woot19/presentation/schink
Scores
CVSS v3
6.6
EPSS
0.0040
EPSS Percentile
31.9%
Attack Vector
PHYSICAL
CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-287
Status
published
Products (6)
st/stm32f4_firmware
st/stm32f7_firmware
st/stm32h7_firmware
st/stm32l0_firmware
st/stm32l1_firmware
st/stm32l4_firmware
Published
Sep 24, 2019
Tracked Since
Feb 18, 2026