CVE-2023-51394

MEDIUMNVD 5.35.3—

5.3

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.

CVSS v3: 5.3
EG Score: 5.3(medium)
EPSS: 15.6%
KEV: Not listed

Published

February 23, 2024

Last Modified

February 12, 2025

References (2)

product-security@silabshttps://community.silabs.com/068Vm000001NL4u
af854a3a-2127-422b-91ae-364da2661108https://community.silabs.com/068Vm000001NL4u

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-476NULL Pointer Dereference

Data Freshness Timeline

(refreshed 16× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

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Frequently asked(5)

What is CVE-2023-51394?

CVE-2023-51394 is a medium vulnerability published on February 23, 2024. 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.

When was CVE-2023-51394 disclosed?

CVE-2023-51394 was first published in the National Vulnerability Database on February 23, 2024, with the most recent update on February 12, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-51394 actively exploited?

CVE-2023-51394 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 15.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-51394?

CVE-2023-51394 has a CVSS v3 base score of 5.3 (NVD).

How do I remediate CVE-2023-51394?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-51394, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-51394

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-51394?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

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