// For flags

CVE-2023-51392

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

Severity Score

6.2
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

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.

Ember ZNet entre v7.2.0 y v7.4.0 utilizó software AES-CCM en lugar de aceleradores criptográficos de hardware integrados, lo que potencialmente aumenta el riesgo de ataques de canal lateral de análisis de potencia diferencial y electromagnético.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2023-12-18 CVE Reserved
  • 2024-02-23 CVE Published
  • 2024-02-24 EPSS Updated
  • 2024-09-27 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-327: Use of a Broken or Risky Cryptographic Algorithm
  • CWE-1240: Use of a Cryptographic Primitive with a Risky Implementation
CAPEC
  • CAPEC-622: Electromagnetic Side-Channel Attack
References (1)
URL Tag Source
https://community.silabs.com/068Vm000001BKm6
URL Date SRC
URL Date SRC
URL Date SRC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Silabs.com
Search vendor "Silabs.com"
 Ember ZNet SDK
Search vendor "Silabs.com" for product "Ember ZNet SDK"
 >= 7.2.0 < 7.4.0
Search vendor "Silabs.com" for product "Ember ZNet SDK" and version " >= 7.2.0 < 7.4.0"
en
Affected