Auth bypass in Cksic Cks32f103

CVE-2020-13464

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.

Vulnerability class: Broken Access Control

EPSS: 0.002 (14.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-13464?
CVE-2020-13464 is a medium-severity vulnerability in Cksic Cks32f103, classified under Missing Authorization. CVSS score: 4.2/10. Published 2020-08-31.
How severe is CVE-2020-13464?
Medium severity. CVSS v3 base score is 4.2 out of 10.