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CVE-2021-1976

Quick assessment

Affected
Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking
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多款产品存在资源管理错误漏洞源于在处理用户提供的输入时没有检查负索引值，可能导致缓冲区下溢。以下产品及版本受到影响：APQ8009, APQ8009W, APQ8017, APQ8053, APQ8064AU, APQ8096AU, AQT1000, AR7420, AR8031, AR8035, AR9380, CSR8811,

CVSS 9.8 · Critical EPSS 0.80% · P53

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-1976

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A use after free can occur due to improper validation of P2P device address in PD Request frame in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
多款Qualcomm产品资源管理错误漏洞
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多款产品存在资源管理错误漏洞源于在处理用户提供的输入时没有检查负索引值，可能导致缓冲区下溢。以下产品及版本受到影响：APQ8009, APQ8009W, APQ8017, APQ8053, APQ8064AU, APQ8096AU, AQT1000, AR7420, AR8031, AR8035, AR9380, CSR8811,
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. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking APQ8009, APQ8009W, APQ8017, APQ8064AU, APQ8096AU, AQT1000, AR7420, AR8031, AR8035, AR9380, CSR8811, CSRA6620, CSRA6640, CSRB31024, FSM10055, FSM10056, IPQ4018, IPQ4019, IPQ4028, IPQ4029, IPQ5010, IPQ5018, IPQ5028, IPQ6000, IPQ6005, IPQ6010, IPQ6018, IPQ60 -

II. Public POCs for CVE-2021-1976

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III. Intelligence Information for CVE-2021-1976

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Other References for CVE-2021-1976 (1)

Same Patch Batch · Qualcomm, Inc. · 2021-09-17 · 5 CVEs total

CVE-2021-1939 8.4 HIGH 多款Qualcomm产品代码问题漏洞
CVE-2021-1947 8.4 HIGH 多款Qualcomm产品资源管理错误漏洞
CVE-2021-30260 8.4 HIGH 多款Qualcomm产品输入验证错误漏洞
CVE-2021-30261 8.4 HIGH 多款Qualcomm产品输入验证错误漏洞

IV. Related Vulnerabilities

Same product: Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking
Same vendor: Qualcomm, Inc.

V. Comments for CVE-2021-1976

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