CVE-2020-8004

Name: CVE-2020-8004
Creator: NVD / NIST
Published: 2020-04-06T13:15:13.05+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.99%

Last modified Jun 17, 2026

CVE-2020-8004 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. STMicroelectronics STM32F1 devices have Incorrect Access Control.. EPSS estimates a 2.99% chance of exploitation in the next 30 days.

Description

STMicroelectronics STM32F1 devices have Incorrect Access Control.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

2.99%

85.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
St	Stm32f1 Firmware	All versions

References

https://blog.zapb.de/stm32f1-exceptional-failure/Exploit, Third Party Advisory
https://blog.zapb.de/stm32f1-exceptional-failure/Exploit, Third Party Advisory

Timeline

Published: Apr 6, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-8004?

STMicroelectronics STM32F1 devices have Incorrect Access Control.

How severe is CVE-2020-8004?

CVE-2020-8004 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.99% probability of exploitation in the next 30 days.

How do I fix CVE-2020-8004?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-8004?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST