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Vulnerability Details :

CVE-2023-51392

Summary
Assigner-Silabs
Assigner Org ID-030b2754-1501-44a4-bef8-48be86a33bf4
Published At-23 Feb, 2024 | 16:12
Updated At-22 Apr, 2025 | 16:15
Rejected At-
Credits

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

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:Silabs
Assigner Org ID:030b2754-1501-44a4-bef8-48be86a33bf4
Published At:23 Feb, 2024 | 16:12
Updated At:22 Apr, 2025 | 16:15
Rejected At:
▼CVE Numbering Authority (CNA)
Silicon Labs EFR32xxx parts with classic key storage do not use hardware accelerated AES-CCM

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.

Affected Products
Vendor
silabs.com
Product
Ember ZNet SDK
Package Name
Ember ZNet SDK
Repo
https://github.com/SiliconLabs/gecko_sdk/releases
Platforms
  • 32 bit
  • ARM
Default Status
unaffected
Versions
Affected
  • From 7.2.0 before 7.4.0 (7.x)
Problem Types
TypeCWE IDDescription
CWECWE-1240CWE-1240 Use of a Cryptographic Primitive with a Risky Implementation
Type: CWE
CWE ID: CWE-1240
Description: CWE-1240 Use of a Cryptographic Primitive with a Risky Implementation
Metrics
VersionBase scoreBase severityVector
3.16.2MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Version: 3.1
Base score: 6.2
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-622CAPEC-622 Electromagnetic Side-Channel Attack
CAPEC ID: CAPEC-622
Description: CAPEC-622 Electromagnetic Side-Channel Attack
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://community.silabs.com/068Vm000001BKm6
N/A
Hyperlink: https://community.silabs.com/068Vm000001BKm6
Resource: N/A
▼Authorized Data Publishers (ADP)
1. CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
2. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://community.silabs.com/068Vm000001BKm6
x_transferred
Hyperlink: https://community.silabs.com/068Vm000001BKm6
Resource:
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:product-security@silabs.com
Published At:23 Feb, 2024 | 17:15
Updated At:12 Feb, 2025 | 18:49

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.16.2MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Primary3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 6.2
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Type: Primary
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CPE Matches

silabs
silabs
>>emberznet>>Versions from 7.2.0(inclusive) to 7.2.4(inclusive)
cpe:2.3:a:silabs:emberznet:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-1240Secondaryproduct-security@silabs.com
CWE-327Primarynvd@nist.gov
CWE ID: CWE-1240
Type: Secondary
Source: product-security@silabs.com
CWE ID: CWE-327
Type: Primary
Source: nvd@nist.gov
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://community.silabs.com/068Vm000001BKm6product-security@silabs.com
Permissions Required
https://community.silabs.com/068Vm000001BKm6af854a3a-2127-422b-91ae-364da2661108
Permissions Required
Hyperlink: https://community.silabs.com/068Vm000001BKm6
Source: product-security@silabs.com
Resource:
Permissions Required
Hyperlink: https://community.silabs.com/068Vm000001BKm6
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Permissions Required

Change History

0
Information is not available yet

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Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.52% / 65.74%
||
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Published-24 May, 2024 | 14:14
Updated-20 Aug, 2025 | 17:52
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue in Open Quantum Safe liboqs v.10.0 allows a remote attacker to escalate privileges via the crypto_sign_signature parameter in the /pqcrystals-dilithium-standard_ml-dsa-44-ipd_avx2/sign.c component.

Action-Not Available
Vendor-openquantumsafen/aopen_quantum_safe
Product-liboqsn/aliboqs
CWE ID-CWE-1319
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CWE ID-CWE-327
Use of a Broken or Risky Cryptographic Algorithm
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