What is CVE-2019-14238?

CVE-2019-14238 is a medium-severity vulnerability in St Stm32f4, classified under Improper Authentication. CVSS score: 6.6/10. Published 2019-09-24.

How severe is CVE-2019-14238?

Medium severity. CVSS v3 base score is 6.6 out of 10.

Auth bypass in St Stm32f4

CVE-2019-14238

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.

Vulnerability class: Broken Authentication

EPSS: 0.004 (32.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:L/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-287 — Improper Authentication

References

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

Frequently asked questions

What is CVE-2019-14238?: CVE-2019-14238 is a medium-severity vulnerability in St Stm32f4, classified under Improper Authentication. CVSS score: 6.6/10. Published 2019-09-24.
How severe is CVE-2019-14238?: Medium severity. CVSS v3 base score is 6.6 out of 10.