CVE-2021-1943
Quick assessment
Affected
Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, 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 QCA6574AU等都是美国高通（Qualcomm）公司的产品。QCA6574AU是一款中央处理器（CPU）产品。SD 636是一款中央处理器（CPU）产品。SDM630是一款中央处理器（CPU）产品。 Qualcomm 芯片中存在缓冲区错误漏洞，该漏洞源于该处理器的WLAN主机通信组件中解析信标响应时，TBTT计数和长度验证不当，远程攻击者可利用该漏洞可以向设备发送专门设计的流量，触发越位读错误，并执行拒绝服务攻击。以下产品及版本受到影响: Qualcomm APQ8053 所有版本。
Possible ATT&CK Techniques 1 AI
T1200 · Hardware Additions
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I. Basic Information for CVE-2021-1943
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Possible buffer out of bound read can occur due to improper validation of TBTT count and length while parsing the beacon response in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile, 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: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 QCA6574AU等都是美国高通（Qualcomm）公司的产品。QCA6574AU是一款中央处理器（CPU）产品。SD 636是一款中央处理器（CPU）产品。SDM630是一款中央处理器（CPU）产品。 Qualcomm 芯片中存在缓冲区错误漏洞，该漏洞源于该处理器的WLAN主机通信组件中解析信标响应时，TBTT计数和长度验证不当，远程攻击者可利用该漏洞可以向设备发送专门设计的流量，触发越位读错误，并执行拒绝服务攻击。以下产品及版本受到影响: Qualcomm APQ8053 所有版本。
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 Industrial IOT, Snapdragon Mobile, Snapdragon Wired Infrastructure and Networking | APQ8053, AQT1000, AR9380, CSR8811, CSRB31024, IPQ4018, IPQ4019, IPQ4028, IPQ4029, IPQ5010, IPQ5018, IPQ5028, IPQ6000, IPQ6005, IPQ6010, IPQ6018, IPQ6028, IPQ8064, IPQ8065, IPQ8068, IPQ8070, IPQ8070A, IPQ8071, IPQ8071A, IPQ8072, IPQ8072A, IPQ8074, IPQ8074A | - |
|
II. Public POCs for CVE-2021-1943
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2021-1943 (1)
-
https://www.qualcomm.com/company/product-security/bulletins/july-2021-bulletin x_refsource_CONFIRM
Same Patch Batch · Qualcomm, Inc. · 2021-07-13 · 23 CVEs total
| CVE-2020-11307 | 9.8 CRITICAL | Qualcomm 芯片输入验证错误漏洞 |
| CVE-2021-1965 | 9.8 CRITICAL | 多款Qualcomm产品输入验证错误漏洞 |
| CVE-2021-1886 | 8.4 HIGH | Qualcomm 芯片缓冲区错误漏洞 |
| CVE-2021-1940 | 8.4 HIGH | Qualcomm Chipsets 资源管理错误漏洞 |
| CVE-2021-1888 | 8.4 HIGH | Qualcomm 芯片资源管理错误漏洞 |
| CVE-2021-1889 | 8.4 HIGH | Qualcomm 芯片缓冲区错误漏洞 |
| CVE-2021-1890 | 8.4 HIGH | 多款Qualcomm芯片缓冲区错误漏洞 |
| CVE-2021-1970 | 7.5 HIGH | 多款Qualcomm产品缓冲区错误漏洞 |
| CVE-2021-1964 | 7.5 HIGH | 多款Qualcomm产品缓冲区错误漏洞 |
| CVE-2021-1955 | 7.5 HIGH | Qualcomm 芯片代码问题漏洞 |
| CVE-2021-1954 | 7.5 HIGH | Qualcomm 芯片缓冲区错误漏洞 |
| CVE-2021-1953 | 7.5 HIGH | Qualcomm 芯片处理逻辑错误漏洞 |
| CVE-2021-1945 | 7.5 HIGH | Qualcomm 芯片缓冲区错误漏洞 |
| CVE-2021-1938 | 7.5 HIGH | Qualcomm 芯片输入验证错误漏洞 |
| CVE-2021-1907 | 7.5 HIGH | Qualcomm 芯片安全漏洞 |
| CVE-2021-1887 | 7.5 HIGH | Qualcomm 芯片安全漏洞 |
| CVE-2021-1931 | 6.7 MEDIUM | Qualcomm 芯片缓冲区错误漏洞 |
| CVE-2021-1901 | 4.6 MEDIUM | Qualcomm 芯片缓冲区错误漏洞 |
| CVE-2021-1899 | 4.6 MEDIUM | Qualcomm 芯片缓冲区错误漏洞 |
| CVE-2021-1898 | 4.6 MEDIUM | qualcomm 芯片缓冲区错误漏洞 |
Showing top 20 of 23 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2021-1943
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