CVE-2020-13464 — MEDIUM (4.2)

Vulnerability Description

The flash memory readout protection in China Key Systems & Integrated Circuit CKS32F103 devices allows physical attackers to extract firmware via the debug interface by utilizing the CPU or DMA module.

CVSS Score

4.2

MEDIUM

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

Attack Vector

PHYSICAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Cksic	Cks32F103 Firmware	-
Cksic	Cks32F103	-

Related Weaknesses (CWE)

CWE-862

References

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

FAQ

What is CVE-2020-13464?

CVE-2020-13464 is a vulnerability with a CVSS score of 4.2 (MEDIUM). The flash memory readout protection in China Key Systems & Integrated Circuit CKS32F103 devices allows physical attackers to extract firmware via the debug interface by utilizing the CPU or DMA module...

How severe is CVE-2020-13464?

CVE-2020-13464 has been rated MEDIUM with a CVSS base score of 4.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-13464?

Check the references section above for vendor advisories and patch information. Affected products include: Cksic Cks32F103 Firmware, Cksic Cks32F103.