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Status published
Medium
CVE-2023-51392
Silicon Labs EFR32xxx parts with classic key storage do not use hardware accelerated AES-CCM
Vulnerability Description
Ember ZNet between v7.2.0 and v7.4.0 used software AES-CCM instead of integrated hardware cryptographic accelerators, potentially increasing risk of electromagnetic and differential power analysis sidechannel attacks.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
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Affected Vendor
silabs.com
View all reports →Affected Software
Ember ZNet SDK
Vulnerable Versions:
7.2.0
Timeline
Official Publish:
February 23rd, 2024
Last Modified:
April 22nd, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.