CVE-2023-4280

Unvalidated input in Silicon Labs TrustZone implementation leads to accessing Trusted memory region

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Published Jan 2, 2024 CVSS 3.1 · 9.3 Critical EPSS < 1% KEV · Not listed

Description

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

silabs.com

GSDK

unaffected

Version	Status	Constraints
`1.0`	affected	≤ 4.3.x

Configuration 1 [-]

cpe:2.3:a:silabs:gecko_software_development_kit:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2023-54151	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.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.403% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://community.silabs.com/069Vm0000004NinIAE
https://github.com/SiliconLabs/gecko_sdk

History

Jun 13, 2025 7:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Sep 25, 2024 4:45 PM Weaknesses updated View changes

Type	Values Removed	Values Added
Weaknesses	CWE-20

Subscriptions

Silabs Gecko Software Development Kit

Weaknesses

Sources

CVE record Updated: Jun 13, 2025, 7:03 PM

Status: PUBLISHED
Assigner: Silabs
Published: Jan 2, 2024, 4:52 PM
Updated: Jun 13, 2025, 7:03 PM
Reserved: Aug 9, 2023, 7:24 PM

View source JSON

Vulnrichment Updated: Aug 2, 2024, 7:24 AM

Updated: Aug 2, 2024, 7:24 AM

NVD Updated: Jun 17, 2026, 6:37 AM

Status: Modified
Published: Jan 2, 2024, 5:15 PM
Modified: Jun 17, 2026, 6:37 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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