What’s Vulnerable › Vulnerabilities

CVE-2023-5138: Glitch detection not active by default in Silicon Labs Secure Vault High devices

• Severity: medium (CVSS 6.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-01-03 · updated 2026-06-17
• Weakness: CWE-1319

Description

Glitch detection is not enabled by default for the CortexM33 core in Silicon Labs secure vault high parts EFx32xG2xB, except EFR32xG21B.

Affected products

• silabs.com Gecko Platform: from 1.0.0 before 4.4.0 — fixed in 4.4.0

How to fix

Upgrade to a fixed version: silabs.com Gecko Platform 4.4.0. Check the vendor advisory for mitigations.

References

• https://community.silabs.com/069Vm0000004f6DIAQ
• https://github.com/SiliconLabs/gecko_sdk
• https://community.silabs.com/069Vm0000004f6DIAQ
• https://github.com/SiliconLabs/gecko_sdk

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