CVE-2023-51392CWE-1240

Silicon Labs EFR32xxx parts with classic key storage do not use hardware accelerated AES-CCM

Medium · published February 23, 2024

CVSS v3.1
6.2
EPSS
0%
Percentile
14.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.2 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00244 · 14.8th percentile
Weakness
CWE-1240 · Use of a Cryptographic Primitive with a Risky Implementation
Published
2024-02-23T16:12Z
EPSS history
Timeline
  • 23 FEB 16:12Z
    Silicon Labs EFR32xxx parts with classic key storage do not use hardware accelerated AES-CCM
    cvelistv5