CVE-2020-13464

Severity: medium (CVSS 4.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-08-31 · updated 2026-06-17
Weakness: CWE-862

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.

Affected products

Cksic Cks32F103 Firmware: all versions

References

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

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