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CVE-2023-6533— Silicon Labs PC Controller Denial of Service Vulnerability

Quick assessment

Affected
silabs.com PC Controller
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.

Silicon Labs PC Controller是美国芯科科技（Silicon Labs）公司的一款用于Z-Wave网络的安装和维护工具，允许开发人员在PC上管理Z-Wave设备，进行网络配置、故障排除和监控。 Silicon Labs PC Controller v5.54.0及之前版本存在安全漏洞，该漏洞源于格式错误的本地设备重置命令类数据包可能会发送到控制器，导致PC Controller 假设终端设备掉线。

CVSS 6.5 · Medium EPSS 0.25% · P15

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-6533

Vulnerability Information
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Vulnerability Title
Silicon Labs PC Controller Denial of Service Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Malformed Device Reset Locally Command Class packets can be sent to the controller, causing the controller to assume the end device has left the network. After this, frames sent by the end device will not be acknowledged by the controller. This vulnerability exists in PC Controller v5.54.0, and earlier.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未捕获的异常
Source: CVE Program / CVE List V5
Vulnerability Title
Silicon Labs PC Controller 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Silicon Labs PC Controller是美国芯科科技（Silicon Labs）公司的一款用于Z-Wave网络的安装和维护工具，允许开发人员在PC上管理Z-Wave设备，进行网络配置、故障排除和监控。 Silicon Labs PC Controller v5.54.0及之前版本存在安全漏洞，该漏洞源于格式错误的本地设备重置命令类数据包可能会发送到控制器，导致PC Controller 假设终端设备掉线。
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
silabs.com PC Controller 0 ~ 5.54.0 -

II. Public POCs for CVE-2023-6533

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III. Intelligence Information for CVE-2023-6533

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Other References for CVE-2023-6533 (1)

Same Patch Batch · silabs.com · 2024-02-21 · 3 CVEs total

CVE-2024-22473 6.8 MEDIUM Uninitialized TRNG used for ECDSA after EM2/EM3 sleep for VSE devices
CVE-2023-6640 6.5 MEDIUM Silicon Labs PC Controller v5.54.0 and Earlier Denial of Service Vulnerability

IV. Related Vulnerabilities

Same product: PC Controller
Same vendor: silabs.com
Same weakness: CWE-248

V. Comments for CVE-2023-6533

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