What is CVE-2020-13471?

CVE-2020-13471 is a medium-severity vulnerability in Apexmic Apm32f103. CVSS score: 6.8/10. Published 2020-08-31.

How severe is CVE-2020-13471?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Vulnerability in Apexmic Apm32f103

CVE-2020-13471

Apex Microelectronics APM32F103 devices allow physical attackers to execute arbitrary code via a power glitch and a specific flash patch/breakpoint unit configuration.

Published 2020-08-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.006 (46.5th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

References

www.usenix.org/system/files/woot20-paper-obermaier.pdf (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-13471?: CVE-2020-13471 is a medium-severity vulnerability in Apexmic Apm32f103. CVSS score: 6.8/10. Published 2020-08-31.
How severe is CVE-2020-13471?: Medium severity. CVSS v3 base score is 6.8 out of 10.