How severe is CVE-2020-13470?

CVE-2020-13470 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2020-13470 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-13470?

CVE-2020-13470 primarily affects Gigadevice Gd32f103 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-13470?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-13470 published?

CVE-2020-13470 was published on 2020-08-31 and last updated on 2026-06-17.

CVE-2020-13470

CVE-2020-13470 is a medium-severity vulnerability in Gigadevice Gd32f103 Firmware with a CVSS 3.x base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-668.

Key facts

Severity: Medium (CVSS 3.x base score 4.6)
CVSS v2: 2.1
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-668
Affected product: Gigadevice Gd32f103 Firmware
Published: 2020-08-31
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2020-13470?: CVE-2020-13470 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2020-13470 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-13470?: CVE-2020-13470 primarily affects Gigadevice Gd32f103 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-13470?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-13470 published?: CVE-2020-13470 was published on 2020-08-31 and last updated on 2026-06-17.

References

https://www.usenix.org/system/files/woot20-paper-obermaier.pdf

Affected products (2)

cpe:2.3:o:gigadevice:gd32f103_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:gigadevice:gd32f130_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Gigadevice Gd32f103 Firmware

CVE-2020-13465 — Medium (CVSS 6.8): The security protection in Gigadevice GD32F103 devices allows physical attackers to redirect the control flow and…
CVE-2020-13472 — Medium (CVSS 4.6): The flash memory readout protection in Gigadevice GD32F103 devices allows physical attackers to extract firmware via…

All CVEs affecting Gigadevice Gd32f103 Firmware →

Other CWE-668 (Exposure of Resource to Wrong Sphere) vulnerabilities

CVE-2025-2857 — Critical (CVSS 10.0): Following the recent Chrome sandbox escape (CVE-2025-2783), various Firefox developers identified a similar pattern in…
CVE-2019-8779 — Critical (CVSS 10.0): A logic issue applied the incorrect restrictions. This issue was addressed by updating the logic to apply the correct…
CVE-2012-1846 — Critical (CVSS 10.0): Google Chrome 17.0.963.66 and earlier allows remote attackers to bypass the sandbox protection mechanism by leveraging…
CVE-2022-43684 — Critical (CVSS 9.9): ServiceNow has released patches and an upgrade that address an Access Control List (ACL) bypass issue in ServiceNow…
CVE-2022-24900 — Critical (CVSS 9.9): Piano LED Visualizer is software that allows LED lights to light up as a person plays a piano connected to a computer.…
CVE-2019-16541 — Critical (CVSS 9.9): Jenkins JIRA Plugin 3.0.10 and earlier does not declare the correct (folder) scope for per-folder Jira site…

Browse all CWE-668 (Exposure of Resource to Wrong Sphere) vulnerabilities →