CVE-2020-13472 — MEDIUM (4.6)

Vulnerability Description

The flash memory readout protection in Gigadevice GD32F103 devices allows physical attackers to extract firmware via the debug interface by utilizing the DMA module.

CVSS Score

4.6

MEDIUM

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

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Gigadevice	Gd32F103 Firmware	-
Gigadevice	Gd32F103	-

Related Weaknesses (CWE)

CWE-668

References

https://www.usenix.org/system/files/woot20-paper-obermaier.pdfExploitTechnical DescriptionThird Party Advisory
https://www.usenix.org/system/files/woot20-paper-obermaier.pdfExploitTechnical DescriptionThird Party Advisory

FAQ

What is CVE-2020-13472?

CVE-2020-13472 is a vulnerability with a CVSS score of 4.6 (MEDIUM). The flash memory readout protection in Gigadevice GD32F103 devices allows physical attackers to extract firmware via the debug interface by utilizing the DMA module.

How severe is CVE-2020-13472?

CVE-2020-13472 has been rated MEDIUM with a CVSS base score of 4.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-13472?

Check the references section above for vendor advisories and patch information. Affected products include: Gigadevice Gd32F103 Firmware, Gigadevice Gd32F103.