What is CVE-2023-0971?

CVE-2023-0971 is a critical-severity vulnerability in Silicon Labs Z/ip Gateway, classified under Incorrect Authorization. CVSS score: 9.6/10. Published 2023-06-21.

How severe is CVE-2023-0971?

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

Auth bypass in Silicon Labs Z/ip Gateway

CVE-2023-0971

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.

Vulnerability class: Broken Access Control

EPSS: 0.000 (1.1th percentile) — read the EPSS interpretation.

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.

Affected products

Silicon Labs Z/ip Gateway — versions 7.18.03

Weakness classification (CWE)

CWE-863 — Incorrect Authorization
CWE-268 — Privilege Chaining

References

siliconlabs.lightning.force.com/sfc/servlet.shepherd/document/download/0698Y000…

Frequently asked questions

What is CVE-2023-0971?: CVE-2023-0971 is a critical-severity vulnerability in Silicon Labs Z/ip Gateway, classified under Incorrect Authorization. CVSS score: 9.6/10. Published 2023-06-21.
How severe is CVE-2023-0971?: Critical severity. CVSS v3 base score is 9.6 out of 10.