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CVE-2021-35093

Quick assessment

Affected
Qualcomm, Inc. BlueCore
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.

Qualcomm 芯片是美国高通（Qualcomm）公司的芯片。一种将电路（主要包括半导体设备，也包括被动组件等）小型化的方式，并时常制造在半导体晶圆表面上。 qualcomm产品存在安全漏洞，该漏洞源于BT控制器在2-DH1链路上收到LMP报文过大，可能导致内存损坏，导致拒绝服务。

CVSS 6.5 · Medium EPSS 0.25% · P16

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2021-35093

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Possible memory corruption in BT controller when it receives an oversized LMP packet over 2-DH1 link and leads to denial of service in BlueCore
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
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Qualcomm 芯片缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Qualcomm 芯片是美国高通（Qualcomm）公司的芯片。一种将电路（主要包括半导体设备，也包括被动组件等）小型化的方式，并时常制造在半导体晶圆表面上。 qualcomm产品存在安全漏洞，该漏洞源于BT控制器在2-DH1链路上收到LMP报文过大，可能导致内存损坏，导致拒绝服务。
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
Qualcomm, Inc. BlueCore CSR8510 A10, CSR8811 A12 -

II. Public POCs for CVE-2021-35093

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III. Intelligence Information for CVE-2021-35093

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Same Patch Batch · Qualcomm, Inc. · 2022-01-03 · 28 CVEs total

CVE-2021-30351 9.8 CRITICAL Qualcomm 芯片信息泄露漏洞
CVE-2021-30276 9.3 CRITICAL Qualcomm 芯片安全漏洞
CVE-2021-30275 9.3 CRITICAL 多款Qualcomm产品输入验证错误漏洞
CVE-2021-30262 8.4 HIGH Qualcomm Chipsets 资源管理错误漏洞
CVE-2021-30337 8.4 HIGH Qualcomm 芯片资源管理错误漏洞
CVE-2021-30336 8.4 HIGH Qualcomm 芯片缓冲区错误漏洞
CVE-2021-30335 8.4 HIGH Qualcomm 芯片安全漏洞
CVE-2021-30282 8.4 HIGH Qualcomm 芯片输入验证错误漏洞
CVE-2021-30274 8.4 HIGH Qualcomm 芯片输入验证错误漏洞
CVE-2021-30267 7.8 HIGH 多款Qualcomm产品输入验证错误漏洞
CVE-2021-30303 7.8 HIGH Qualcomm 芯片缓冲区错误漏洞
CVE-2021-30289 7.8 HIGH 多款Qualcomm产品缓冲区错误漏洞
CVE-2021-30279 7.8 HIGH Qualcomm SDX55和QCA6390 访问控制错误漏洞
CVE-2021-30268 7.8 HIGH Qualcomm 芯片安全漏洞
CVE-2021-30273 7.5 HIGH Qualcomm 芯片安全漏洞
CVE-2021-30293 7.5 HIGH Qualcomm 芯片信息泄露漏洞
CVE-2020-11263 7.3 HIGH Qualcomm SDX55和QCA6390 输入验证错误漏洞
CVE-2021-30272 7.3 HIGH Qualcomm 芯片代码问题漏洞
CVE-2021-30271 7.3 HIGH Qualcomm 芯片代码问题漏洞
CVE-2021-30270 7.3 HIGH Qualcomm 芯片代码问题漏洞

Showing top 20 of 28 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same vendor: Qualcomm, Inc.

V. Comments for CVE-2021-35093

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