CVE-2023-0971

CRITICALNVD 9.69.6—

9.6

A logic error in SiLabs Z/IP Gateway SDK 7.18.02 and earlier allows authentication to be bypassed, remote administration of Z-Wave controllers, and S0/S2 encryption keys to be recovered.

CVSS v3: 9.6
EG Score: 9.6(medium)
EPSS: 1.1%
KEV: Not listed

Published

June 21, 2023

Last Modified

November 21, 2024

References (2)

product-security@silabshttps://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/0698Y00000V6HZzQAN?operationContext=S1
af854a3a-2127-422b-91ae-364da2661108https://siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/0698Y00000V6HZzQAN?operationContext=S1

Weakness Classification(3)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 11× 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.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 23:06 UTCEG score recompute
2026-05-24 23:06 UTCGHSA enrichment
2026-05-24 15:21 UTCOSV refresh

Frequently asked(5)

What is CVE-2023-0971?

CVE-2023-0971 is a critical vulnerability published on June 21, 2023. A logic error in SiLabs Z/IP Gateway SDK 7.18.02 and earlier allows authentication to be bypassed, remote administration of Z-Wave controllers, and S0/S2 encryption keys to be recovered.

When was CVE-2023-0971 disclosed?

CVE-2023-0971 was first published in the National Vulnerability Database on June 21, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-0971 actively exploited?

CVE-2023-0971 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-0971?

CVE-2023-0971 has a CVSS v3 base score of 9.6 (NVD).

How do I remediate CVE-2023-0971?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-0971, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-0971

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CVE-2023-0971

📅 Published

🔄 Last Modified

🔗 References (2)