What is CVE-2023-0970?

CVE-2023-0970 is a high-severity vulnerability in Silabs Z\/ip Gateway Sdk, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2023-06-21.

How severe is CVE-2023-0970?

High severity. CVSS v3 base score is 7.1 out of 10.

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

CVE-2023-0970

Multiple buffer overflow vulnerabilities in SiLabs Z/IP Gateway SDK version 7.18.01 and earlier allow an attacker with invasive physical access to a Z-Wave controller device to overwrite global memory and potentially execute arbitrary code.

Vulnerability class: Buffer Overflow

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

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (17.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · 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-2023-0970?: CVE-2023-0970 is a high-severity vulnerability in Silabs Z\/ip Gateway Sdk, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2023-06-21.
How severe is CVE-2023-0970?: High severity. CVSS v3 base score is 7.1 out of 10.