CVE-2021-1956
Quick assessment
Affected
Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music
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 芯片存在安全漏洞，该漏洞源于主机对带有 L2CAP 通道 ID 的 ASB-U 数据包处理不当。
Possible ATT&CK Techniques 1 AI
T1040 · Network Sniffing
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I. Basic Information for CVE-2021-1956
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Improper handling of ASB-U packet with L2CAP channel ID by slave host can lead to interference with piconet in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music
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 安全漏洞
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 芯片存在安全漏洞，该漏洞源于主机对带有 L2CAP 通道 ID 的 ASB-U 数据包处理不当。
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 Electronics Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music | AQT1000, AR8035, CSRB31024, QCA6175A, QCA6390, QCA6391, QCA6420, QCA6430, QCA6564A, QCA6564AU, QCA6574, QCA6574A, QCA6574AU, QCA6584AU, QCA6595, QCA6595AU, QCA6696, QCA8337, QCN7605, QCN7606, QCX315, SA415M, SA515M, SA6145P, SA6150P, SA6155, SA6155P, SA81 | - |
|
II. Public POCs for CVE-2021-1956
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-1956 (1)
Same Patch Batch · Qualcomm, Inc. · 2021-09-09 · 20 CVEs total
| CVE-2021-1933 | 9.8 CRITICAL | Qualcomm 芯片 输入验证错误漏洞 |
| CVE-2021-1946 | 9.8 CRITICAL | Qualcomm 芯片 代码问题漏洞 |
| CVE-2021-30294 | 8.4 HIGH | Qualcomm 芯片 代码问题漏洞 |
| CVE-2021-30290 | 8.4 HIGH | Qualcomm 芯片 代码问题漏洞 |
| CVE-2021-30295 | 8.4 HIGH | Qualcomm 芯片 缓冲区错误漏洞 |
| CVE-2021-1934 | 8.4 HIGH | Qualcomm 芯片 资源管理错误漏洞 |
| CVE-2021-1952 | 7.8 HIGH | Qualcomm 芯片 缓冲区错误漏洞 |
| CVE-2021-1974 | 7.5 HIGH | Qualcomm 芯片 缓冲区错误漏洞 |
| CVE-2021-1971 | 7.5 HIGH | Qualcomm 芯片 处理逻辑错误漏洞 |
| CVE-2021-1941 | 7.5 HIGH | Qualcomm 芯片 缓冲区错误漏洞 |
| CVE-2021-1948 | 7.5 HIGH | Qualcomm 芯片 缓冲区错误漏洞 |
| CVE-2021-1909 | 7.3 HIGH | Qualcomm 芯片 缓冲区错误漏洞 |
| CVE-2021-1935 | 7.1 HIGH | Qualcomm 芯片 代码问题漏洞 |
| CVE-2021-1958 | 6.7 MEDIUM | Qualcomm 芯片资源管理错误漏洞 |
| CVE-2021-1961 | 6.7 MEDIUM | Qualcomm 芯片缓冲区错误漏洞 |
| CVE-2021-1962 | 6.7 MEDIUM | Qualcomm 芯片安全漏洞 |
| CVE-2021-1963 | 6.7 MEDIUM | Qualcomm 芯片 资源管理错误漏洞 |
| CVE-2021-1957 | 6.5 MEDIUM | Qualcomm 芯片 安全漏洞 |
| CVE-2021-1960 | 6.5 MEDIUM | Qualcomm 芯片输入验证错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-1956
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