CVE-2023-4280 CRITICAL

CVE-2023-4280: Unvalidated input in Silicon Labs TrustZone implementation leads to accessing Trusted memory region

Vendor Silabs.com

Product GSDK

Weakness CWE-125

Published January 2, 2024

Last update June 13, 2025

View on NVD All CVEs

CVSS base score

9.3/10

Attack vector Local

Attack complexity Low

Privileges required None

User interaction None

Confidentiality High

Integrity High

CVSS vector

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

What the vulnerability does

01Description

An unvalidated input in Silicon Labs TrustZone implementation in v4.3.x and earlier of the Gecko SDK allows an attacker to access the trusted region of memory from the untrusted region.

Key dates

02Disclosure timeline

January 2, 2024 CVE published

June 13, 2025 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-4280 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/125.html