CVE-2020-13464

Name: CVE-2020-13464
Creator: NVD / NIST
Published: 2020-08-31T16:15:14.27+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.2/10EPSS 0.23%

Last modified Jun 17, 2026

CVE-2020-13464 is a medium-severity vulnerability rated 4.2/10 on the CVSS scale. 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.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.2/10

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

EPSS Probability

0.23%

14.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-862

Affected Software

Vendor	Product	Versions
Cksic	Cks32f103 Firmware	All versions

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

Timeline

Published: Aug 31, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-13464?

How severe is CVE-2020-13464?

CVE-2020-13464 has a CVSS score of 4.2/10 (MEDIUM severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.

How do I fix CVE-2020-13464?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-13464?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST