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CVE-2021-42301— Azure RTOS Information Disclosure Vulnerability

Quick assessment

Affected
Microsoft Azure Real Time Operating System
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 Real Time Operating System（Azure RTOS）是美国微软（Microsoft）公司的一个嵌入式开发套件，包括一个小而强大的操作系统，可为资源受限的设备提供可靠、超快的性能。 Microsoft Azure Real Time Operating System（Azure RTOS）存在信息泄露漏洞。该漏洞源于网络系统或产品在运行过程中存在配置等错误。未授权的攻击者可利用漏洞获取受影响组件敏感信息。

CVSS 3.3 · Low EPSS 1.12% · P65

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
Microsoft Azure Real Time Operating System 6.0.0< 6.1.9 affected
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I. Basic Information for CVE-2021-42301

Vulnerability Information
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Vulnerability Title
Azure RTOS Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Azure RTOS Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Azure Real Time Operating System 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Azure Real Time Operating System（Azure RTOS）是美国微软（Microsoft）公司的一个嵌入式开发套件，包括一个小而强大的操作系统，可为资源受限的设备提供可靠、超快的性能。 Microsoft Azure Real Time Operating System（Azure RTOS）存在信息泄露漏洞。该漏洞源于网络系统或产品在运行过程中存在配置等错误。未授权的攻击者可利用漏洞获取受影响组件敏感信息。
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 Real Time Operating System 6.0.0 ~ 6.1.9 -

II. Public POCs for CVE-2021-42301

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III. Intelligence Information for CVE-2021-42301

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Vendor Advisories for CVE-2021-42301 (2)

Same Patch Batch · Microsoft · 2021-11-10 · 54 CVEs total

CVE-2021-26443 9.0 CRITICAL Microsoft Virtual Machine Bus (VMBus) Remote Code Execution Vulnerability
CVE-2021-38666 8.8 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2021-42321 8.8 HIGH Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2021-42316 8.8 HIGH Microsoft Dynamics 365 On-Premises Remote Code Execution Vulnerability
CVE-2021-42283 8.8 HIGH NTFS Elevation of Privilege Vulnerability
CVE-2021-42275 8.8 HIGH Microsoft COM for Windows Remote Code Execution Vulnerability
CVE-2021-43209 7.8 HIGH 3D Viewer Remote Code Execution Vulnerability
CVE-2021-43208 7.8 HIGH 3D Viewer Remote Code Execution Vulnerability
CVE-2021-42322 7.8 HIGH Visual Studio Code Elevation of Privilege Vulnerability
CVE-2021-42296 7.8 HIGH Microsoft Word Remote Code Execution Vulnerability
CVE-2021-42286 7.8 HIGH Windows Core Shell SI Host Extension Framework for Composable Shell Elevation of Privilege
CVE-2021-42285 7.8 HIGH Windows Kernel Elevation of Privilege Vulnerability
CVE-2021-42276 7.8 HIGH Microsoft Windows Media Foundation Remote Code Execution Vulnerability
CVE-2021-41378 7.8 HIGH Windows NTFS Remote Code Execution Vulnerability
CVE-2021-41377 7.8 HIGH Windows Fast FAT File System Driver Elevation of Privilege Vulnerability
CVE-2021-41370 7.8 HIGH NTFS Elevation of Privilege Vulnerability
CVE-2021-41367 7.8 HIGH NTFS Elevation of Privilege Vulnerability
CVE-2021-41366 7.8 HIGH Credential Security Support Provider Protocol (CredSSP) Elevation of Privilege Vulnerabili
CVE-2021-40442 7.8 HIGH Microsoft Excel Remote Code Execution Vulnerability
CVE-2021-36957 7.8 HIGH Windows Desktop Bridge Elevation of Privilege Vulnerability

Showing top 20 of 54 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Azure Real Time Operating System
Same vendor: Microsoft

V. Comments for CVE-2021-42301

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