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CVE-2023-5138

Glitch detection not active by default in Silicon Labs Secure Vault High devices

MEDIUM
6.8
CVSS Score
Published: January 3, 2024 at 10:31 PM UTC
Updated: June 17, 2026 at 06:47 AM UTC
2 products affected across 2 vendorsGecko Software Development KitGecko Software Development Kit

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Severity
MEDIUM6.8
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Gecko Software Development Kit· Silabs
95%
1.0.0 ≤ v < 4.4.0
Affected range stops below 4.4.0, so it looks safe — our inference, not a vendor statement
Gecko Software Development Kit· Silabs Com
60%
1.0 ≤ v < 4.4.01.0
Affected range stops below 4.4.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

Permissions Required
Source: [email protected]
https://community.silabs.com/069Vm0000004f6DIAQ
Product
Source: [email protected]
https://github.com/SiliconLabs/gecko_sdk

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.8MEDIUMSilabs
Attack Vector
PHYSICAL
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-1319CWE-909

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