Vulnerabilities

CVE-2023-51392 | BDVDB-2026-225461 Detail

silabs.comEmber ZNet SDK

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#

CAPEC-622 Electromagnetic Side-Channel Attack

Weaknesses#

CWE-1240 Use of a Cryptographic Primitive with a Risky Implementation

References#

https://community.silabs.com/068Vm000001BKm6

Exploit#

No public exploit known

History#

Version 12024-02-23Record published in the CVE List.
Version 22025-04-22Most recent update recorded in the CVE List.

Published

Published: 2024-02-23
Last modified: 2025-04-22

Vendor information

Vendor: silabs.com
Product: Ember ZNet SDK

All silabs.com vulnerabilities

Score

6.2 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 15.8.

KEV

No

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 7.2.0 and < 7.4.0
Fixed
7.4.0

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.2 Medium

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	None
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).