CVE-2023-4020

critical

Description

An unvalidated input in a library function responsible for communicating between secure and non-secure memory in Silicon Labs TrustZone implementation allows reading/writing of memory in the secure region of memory from the non-secure region of memory.

References

https://github.com/SiliconLabs/gecko_sdk/releases

https://community.silabs.com/069Vm0000004b95IAA

Details

Source: Mitre, NVD

Published: 2023-12-15

Updated: 2024-09-25

Risk Information

CVSS v2

Base Score: 9.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N

Severity: High

CVSS v3

Base Score: 9.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Severity: Critical

EPSS

EPSS: 0.00201