CVE-2023-51392

Name: CVE-2023-51392
Creator: NVD / NIST
Published: 2024-02-23T17:15:07.84+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.24%

Last modified Jun 17, 2026

CVE-2023-51392 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.24%

15.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Silabs	Emberznet	>= 7.2.0, <= 7.2.4

References

https://community.silabs.com/068Vm000001BKm6Permissions Required
https://community.silabs.com/068Vm000001BKm6Permissions Required

Timeline

Published: Feb 23, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2023-51392?

How severe is CVE-2023-51392?

CVE-2023-51392 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.

How do I fix CVE-2023-51392?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-51392?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST