What’s Vulnerable › Vulnerabilities

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

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-01-02 · updated 2026-06-17
• Weakness: CWE-125

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

• silabs.com Gecko Platform: from 1.0.0 through 4.3.2

References

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

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