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CVE-2023-0971— Command Authentication Bypass in Z/IP Gateway

Quick assessment

Affected
Silicon Labs Z/IP Gateway
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SiLabs Z-Wave over IP Gateway是插入 Wi-Fi 路由器的硬件单元，用于添加和配置 Z-Wave 设备以及创建和运行“场景”。 SiLabs Z-Wave over IP Gateway存在安全漏洞，该漏洞源于认证功能可以被绕过。

CVSS 9.6 · Critical EPSS 0.25% · P15
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I. Basic Information for CVE-2023-0971

Vulnerability Information
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Vulnerability Title
Command Authentication Bypass in Z/IP Gateway
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
SiLabs Z-Wave over IP Gateway 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SiLabs Z-Wave over IP Gateway是插入 Wi-Fi 路由器的硬件单元，用于添加和配置 Z-Wave 设备以及创建和运行“场景”。 SiLabs Z-Wave over IP Gateway存在安全漏洞，该漏洞源于认证功能可以被绕过。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Silicon Labs Z/IP Gateway 7.18.03 -

II. Public POCs for CVE-2023-0971

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III. Intelligence Information for CVE-2023-0971

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Other References for CVE-2023-0971 (1)

Same Patch Batch · Silicon Labs · 2023-06-21 · 5 CVEs total

CVE-2023-3110 9.6 CRITICAL Buffer overflow in S0 Decryption on Unify Gateway
CVE-2023-0972 9.6 CRITICAL Buffer overflow in S0 Decryption on Z/IP Gatweay
CVE-2023-0970 7.1 HIGH Serial API Buffer Overflow in Z/IP Gateway
CVE-2023-0969 3.5 LOW Global read overflow in Z/IP Gateway

IV. Related Vulnerabilities

Same product: Z/IP Gateway
Same vendor: Silicon Labs
Same weakness: CWE-863

V. Comments for CVE-2023-0971

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