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CVE-2021-26428— Azure Sphere Information Disclosure Vulnerability

Quick assessment

Affected
Microsoft Azure Sphere
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.

Microsoft Azure Sphere是美国微软（Microsoft）公司的一个应用于云环境提供安全防护的设备。 Microsoft Azure Sphere存在输入验证错误漏洞。以下产品和版本受到影响：Azure Sphere。

CVSS 4.4 · Medium EPSS 0.85% · P56

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

Affected Version Matrix 1

VendorProduct Version RangeStatus
Microsoft Azure Sphere 20.00< 21.07 affected
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I. Basic Information for CVE-2021-26428

Vulnerability Information
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Vulnerability Title
Azure Sphere Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Azure Sphere Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Azure Sphere 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Azure Sphere是美国微软（Microsoft）公司的一个应用于云环境提供安全防护的设备。 Microsoft Azure Sphere存在输入验证错误漏洞。以下产品和版本受到影响：Azure Sphere。
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
Microsoft Azure Sphere 20.00 ~ 21.07 -

II. Public POCs for CVE-2021-26428

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III. Intelligence Information for CVE-2021-26428

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Vendor Advisories for CVE-2021-26428 (2)

Same Patch Batch · Microsoft · 2021-08-12 · 45 CVEs total

CVE-2021-26424 9.9 CRITICAL Windows TCP/IP Remote Code Execution Vulnerability
CVE-2021-26432 9.8 CRITICAL Windows Services for NFS ONCRPC XDR Driver Remote Code Execution Vulnerability
CVE-2021-34535 8.8 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2021-36936 8.8 HIGH Windows Print Spooler Remote Code Execution Vulnerability
CVE-2021-36947 8.8 HIGH Windows Print Spooler Remote Code Execution Vulnerability
CVE-2021-34524 8.1 HIGH Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
CVE-2021-26425 7.8 HIGH Windows Event Tracing Elevation of Privilege Vulnerability
CVE-2021-34471 7.8 HIGH Microsoft Defender Elevation of Privilege Vulnerability
CVE-2021-34478 7.8 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2021-36941 7.8 HIGH Microsoft Word Remote Code Execution Vulnerability
CVE-2021-36927 7.8 HIGH Windows Digital TV Tuner device registration application Elevation of Privilege Vulnerabil
CVE-2021-34483 7.8 HIGH Windows Print Spooler Elevation of Privilege Vulnerability
CVE-2021-34537 7.8 HIGH Windows Bluetooth Driver Elevation of Privilege Vulnerability
CVE-2021-34536 7.8 HIGH Windows Storage Spaces Controller Elevation of Privilege Vulnerability
CVE-2021-36958 7.8 HIGH Windows Print Spooler Remote Code Execution Vulnerability
CVE-2021-34484 7.8 HIGH Windows User Profile Service Elevation of Privilege Vulnerability
CVE-2021-34533 7.8 HIGH Windows Graphics Component Font Parsing Remote Code Execution Vulnerability
CVE-2021-34486 7.8 HIGH Windows Event Tracing Elevation of Privilege Vulnerability
CVE-2021-34530 7.8 HIGH Windows Graphics Component Remote Code Execution Vulnerability
CVE-2021-26431 7.8 HIGH Windows Recovery Environment Agent Elevation of Privilege Vulnerability

Showing top 20 of 45 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Azure Sphere
Same vendor: Microsoft

V. Comments for CVE-2021-26428

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