CVE-2023-51394

Name: CVE-2023-51394
Creator: NVD / NIST
Published: 2024-02-23T20:15:51.88+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.52%

Last modified Jun 17, 2026

CVE-2023-51394 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. High traffic environments may result in NULL Pointer Dereference vulnerability in Silicon Labs's Ember ZNet SDK before v7.4.0, causing a system crash.. EPSS estimates a 0.52% chance of exploitation in the next 30 days.

Description

High traffic environments may result in NULL Pointer Dereference vulnerability in Silicon Labs's Ember ZNet SDK before v7.4.0, causing a system crash.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.52%

39.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Silabs	Emberznet	< 7.4.0

References

https://community.silabs.com/068Vm000001NL4uPermissions Required
https://community.silabs.com/068Vm000001NL4uPermissions Required

Timeline

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

Frequently Asked Questions

What is CVE-2023-51394?

High traffic environments may result in NULL Pointer Dereference vulnerability in Silicon Labs's Ember ZNet SDK before v7.4.0, causing a system crash.

How severe is CVE-2023-51394?

CVE-2023-51394 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.

How do I fix CVE-2023-51394?

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-2023-51394?

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

Scan your code now

Source: NVD / NIST