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CVE-2024-12975

Silicon Labs CPC can leak information in full duplex SPI

LOW
1
CVSS Score
Published: March 7, 2025 at 04:41 PM UTC
Updated: June 17, 2026 at 07:00 AM UTC
1 product affected across 1 vendorSimplicity SDK

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Severity
LOW1
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

A buffer overread can occur in the CPC application when operating in full duplex SPI upon receiving an invalid packet over the SPI interface.

Affected

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

Simplicity SDK· Silicon
60%
v < 2024.12.1
Affected range stops below 2024.12.1, 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)

Source: [email protected]
https://community.silabs.com/069Vm00000LWXMeIAP
Source: [email protected]
https://github.com/SiliconLabs/simplicity_sdk/releases

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

1LOWSilabs
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-126

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