Cyber Resilience

CVE-2024-9055

Medium

Published: 17 March 2025

Published
17 March 2025
Modified
15 April 2026
KEV Added
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Patch
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CVSS Score v3.1 4.2 CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0015 35.0th percentile
Risk Priority 8 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2024-9055 is a medium-severity Insufficient Entropy (CWE-331) vulnerability in Silabs (inferred from references). Its CVSS base score is 4.2 (Medium).

Operationally, ranked at the 35.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

The DPA countermeasures on Silicon Labs' Series 2 devices are not reseeded periodically as they should be. This may allow an attacker to eventually extract secret keys through a DPA attack.

CWE(s)
CWE-331

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

Silabs
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inferred from references and description; NVD did not file a CPE for this CVE

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SC-12 Cryptographic Key Establishment and Management
addresses: CWE-331

Approved key-establishment methods mandate sufficient entropy during key generation, eliminating entropy-starved keys.

References