What is CVE-2019-14236?

CVE-2019-14236 is a critical-severity vulnerability in St Stm32f4, classified under Incorrect Authorization. CVSS score: 9.8/10. Published 2019-09-12.

How severe is CVE-2019-14236?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in St Stm32f4

CVE-2019-14236

On STMicroelectronics STM32L0, STM32L1, STM32L4, STM32F4, STM32F7, and STM32H7 devices, Proprietary Code Read Out Protection (PCROP) (a software IP protection method) can be defeated by observing CPU registers and the effect of code/instruction execution.

Vulnerability class: Broken Access Control

EPSS: 0.023 (81.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

St Stm32f4
St Stm32f4_firmware
St Stm32f7
St Stm32f7_firmware
St Stm32h7
St Stm32h7_firmware
St Stm32l0
St Stm32l0_firmware
St Stm32l1
St Stm32l1_firmware

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Mitigation)

Frequently asked questions

What is CVE-2019-14236?: CVE-2019-14236 is a critical-severity vulnerability in St Stm32f4, classified under Incorrect Authorization. CVSS score: 9.8/10. Published 2019-09-12.
How severe is CVE-2019-14236?: Critical severity. CVSS v3 base score is 9.8 out of 10.