What is CVE-2023-0972?

CVE-2023-0972 is a critical-severity vulnerability in Silabs Z\/ip Gateway Sdk, classified under Out-of-bounds Read. CVSS score: 9.6/10. Published 2023-06-21.

How severe is CVE-2023-0972?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Out-of-bounds Read in Silabs Z\/ip Gateway Sdk

CVE-2023-0972

Description: A vulnerability in SiLabs Z/IP Gateway 7.18.01 and earlier allows an unauthenticated attacker within Z-Wave range to overflow a stack buffer, leading to arbitrary code execution.

Vulnerability class: Buffer Overflow

Published 2023-06-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (30.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 30.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Silabs Z\/ip Gateway Sdk
Silicon Labs Z/ip Gateway — versions 7.18.03

Weakness classification (CWE)

References

siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/0698Y000… (Permissions Required)

Frequently asked questions

What is CVE-2023-0972?: CVE-2023-0972 is a critical-severity vulnerability in Silabs Z\/ip Gateway Sdk, classified under Out-of-bounds Read. CVSS score: 9.6/10. Published 2023-06-21.
How severe is CVE-2023-0972?: Critical severity. CVSS v3 base score is 9.6 out of 10.