CVE-2023-4020

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9 CRITICAL
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
SilabsCNA
9 CRITICAL
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 44%
VendorProductVersion
silabsgecko_software_development_kit
1.0.0 ≤
𝑥
< 4.4.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://community.silabs.com/069Vm0000004b95IAA
https://github.com/SiliconLabs/gecko_sdk/releases
https://community.silabs.com/069Vm0000004b95IAA
https://github.com/SiliconLabs/gecko_sdk/releases