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CVE-2021-1939

Quick assessment

Affected
Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Wearables
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 芯片存在代码问题漏洞，该漏洞源于不正确的验证而发生空指针取消引用。以下产品和版本受到影响:APQ8009, APQ8009W, APQ8017, APQ8053, AQT1000, MSM8909W, MSM8917, MSM8953, QCA4020, QCA6174A, QCA6310, QCA6335, QCA6390, Q

CVSS 8.4 · High EPSS 0.14% · P4

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-1939

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Null pointer dereference occurs due to improper validation when the preemption feature enablement is toggled in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Wearables
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/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产品代码问题漏洞
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 芯片存在代码问题漏洞，该漏洞源于不正确的验证而发生空指针取消引用。以下产品和版本受到影响:APQ8009, APQ8009W, APQ8017, APQ8053, AQT1000, MSM8909W, MSM8917, MSM8953, QCA4020, QCA6174A, QCA6310, QCA6335, QCA6390, Q
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 Wearables APQ8009, APQ8009W, APQ8017, AQT1000, MSM8909W, MSM8917, QCA4020, QCA6174A, QCA6310, QCA6335, QCA6390, QCA6391, QCA6420, QCA6421, QCA6426, QCA6430, QCA6431, QCA6436, QCA6574, QCA6574A, QCA6574AU, QCA6595AU, QCA6696, QCA9377, QCA9379, QCS603, QCS605, QET410 -

II. Public POCs for CVE-2021-1939

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III. Intelligence Information for CVE-2021-1939

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Other References for CVE-2021-1939 (1)

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

CVE-2021-1976 9.8 CRITICAL 多款Qualcomm产品资源管理错误漏洞
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 Wearables
Same vendor: Qualcomm, Inc.

V. Comments for CVE-2021-1939

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