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
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Track
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-12-18 CVE Reserved
- 2024-02-23 CVE Published
- 2025-04-15 EPSS Updated
- 2025-04-22 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)
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
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