CVE-2023-4020

CRITICAL

Silicon Labs TrustZone - Memory Corruption

Title source: llm
STIX 2.1

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 (2)

Core 2

Scores

CVSS v3 9.0
EPSS 0.0022
EPSS Percentile 44.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

Details

CWE
CWE-125 CWE-787
Status published
Products (1)
silabs/gecko_software_development_kit 1.0.0 - 4.4.0
Published Dec 15, 2023
Tracked Since Feb 18, 2026