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CVE-2024-6657— BLE peripheral DoS after few cycles of connect/disconnects

Quick assessment

Affected
silabs.com EFR32 BLE SDK
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 BLE是美国Silicon公司的一个低功耗蓝牙程序。 Silicon BLE 7.1.1及之前版本和8.0.0版本存在安全漏洞，该漏洞源于当多个中央设备不断连接和断开外围设备时，网络中BLE的单个外围设备会出现拒绝服务的情况。

CVSS 6.5 · Medium EPSS 0.20% · P10

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2024-6657

Vulnerability Information
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Vulnerability Title
BLE peripheral DoS after few cycles of connect/disconnects
Source: CVE Program / CVE List V5
Vulnerability Description
A denial of service may be caused to a single peripheral device in a BLE network when multiple central devices continuously connect and disconnect to the peripheral. A hard reset is required to recover the peripheral device.
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
不正确的同步机制
Source: CVE Program / CVE List V5
Vulnerability Title
Silicon BLE 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Silicon BLE是美国Silicon公司的一个低功耗蓝牙程序。 Silicon BLE 7.1.1及之前版本和8.0.0版本存在安全漏洞，该漏洞源于当多个中央设备不断连接和断开外围设备时，网络中BLE的单个外围设备会出现拒绝服务的情况。
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 EFR32 BLE SDK 7.1.0 ~ 7.1.1 -

II. Public POCs for CVE-2024-6657

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III. Intelligence Information for CVE-2024-6657

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IV. Related Vulnerabilities

Same vendor: silabs.com
Same weakness: CWE-821

V. Comments for CVE-2024-6657

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