What is CVE-2020-13470?

CVE-2020-13470 is a medium-severity vulnerability in Gigadevice Gd32f103, classified under Exposure of Resource to Wrong Sphere. CVSS score: 4.6/10. Published 2020-08-31.

How severe is CVE-2020-13470?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Vulnerability in Gigadevice Gd32f103

CVE-2020-13470

Gigadevice GD32F103 and GD32F130 devices allow physical attackers to extract data via the probing of easily accessible bonding wires and de-obfuscation of the observed data.

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

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.004 (29.5th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 29.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-668 — Exposure of Resource to Wrong Sphere

References

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

Frequently asked questions

What is CVE-2020-13470?: CVE-2020-13470 is a medium-severity vulnerability in Gigadevice Gd32f103, classified under Exposure of Resource to Wrong Sphere. CVSS score: 4.6/10. Published 2020-08-31.
How severe is CVE-2020-13470?: Medium severity. CVSS v3 base score is 4.6 out of 10.