CVE-2024-12975
Silicon Labs CPC can leak information in full duplex SPI
A buffer overread can occur in the CPC application when operating in full duplex SPI upon receiving an invalid packet over the SPI interface.
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Silicon Labs CPC can leak information in full duplex SPI
A buffer overread can occur in the CPC application when operating in full duplex SPI upon receiving an invalid packet over the SPI interface.
- Record
CVE-2024-12975- CVSS 4.0
- 1.0 Low
CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N - Weakness
- CWE-126
- Updated
- 2026-11-02
EUVDEUVD-2024-54156
A buffer overread can occur in the CPC application when operating in full duplex SPI upon receiving an invalid packet over the SPI interface.
- Record
EUVD-2024-54156- CVSS 4.0
- 1.0 Low
CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-w6xj-4jx7-p88w
A buffer overread can occur in the CPC application when operating in full duplex SPI upon...
A buffer overread can occur in the CPC application when operating in full duplex SPI upon receiving an invalid packet over the SPI interface.
- Record
GHSA-w6xj-4jx7-p88w- CVSS 4.0
- 1.0 Low
CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-125, CWE-126
- Updated
- 2026-11-02
NVD
A buffer overread can occur in the CPC application when operating in full duplex SPI upon receiving an invalid packet over the SPI interface.
- Record
CVE-2024-12975- CVSS 4.0
- 1.0 Low
CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-126
- Updated
- 2026-11-02
OSV
Silicon Labs CPC can leak information in full duplex SPI
A buffer overread can occur in the CPC application when operating in full duplex SPI upon receiving an invalid packet over the SPI interface.
- Record
CVE-2024-12975- CVSS 4.0
- 1.0 Low
CVSS:4.0/AV:P/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N - Weakness
- CWE-126
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2024-12975 is a low vulnerability (CVSS 1.0) in Silabs.com Simplicity Sdk, published March 7, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 10th percentile. No source names a fixed version.