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CVE-2021-42295— Visual Basic for Applications Information Disclosure Vulnerability

Quick assessment

Affected
Microsoft Microsoft Office 2019
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 Office是美国微软（Microsoft）公司的一款办公软件套件产品。该产品常用组件包括Word、Excel、Access、Powerpoint、FrontPage等。 Microsoft Office存在信息泄露漏洞。以下产品和版本受到影响：Microsoft Office 2019 for 32-bit editions,Microsoft Office 2019 for 64-bit editions,Microsoft 365 Apps for Enterprise for

CVSS 5.5 · Medium EPSS 2.89% · P86

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2021-42295

Vulnerability Information
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Vulnerability Title
Visual Basic for Applications Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Visual Basic for Applications 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:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Office 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Office是美国微软（Microsoft）公司的一款办公软件套件产品。该产品常用组件包括Word、Excel、Access、Powerpoint、FrontPage等。 Microsoft Office存在信息泄露漏洞。以下产品和版本受到影响：Microsoft Office 2019 for 32-bit editions,Microsoft Office 2019 for 64-bit editions,Microsoft 365 Apps for Enterprise for
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 Microsoft Office 2019 19.0.0 ~ https://aka.ms/OfficeSecurityReleases cpe:2.3:a:microsoft:office:2019:*:*:*:*:*:*:*
Microsoft Microsoft 365 Apps for Enterprise 16.0.1 ~ https://aka.ms/OfficeSecurityReleases cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*
Microsoft Microsoft Office LTSC 2021 16.0.1 ~ https://aka.ms/OfficeSecurityReleases cpe:2.3:a:microsoft:office_long_term_servicing_channel:2021:*:*:*:*:*:*:*
Microsoft Microsoft Office 2016 16.0.0 ~ 16.0.5254.1000 cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:x86:*
Microsoft Microsoft Office 2013 Service Pack 1 15.0.0 ~ 15.0.5407.1000 cpe:2.3:a:microsoft:office:2013:sp1:*:*:rt:*:*:*

II. Public POCs for CVE-2021-42295

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III. Intelligence Information for CVE-2021-42295

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Vendor Advisories for CVE-2021-42295 (1)

Same Patch Batch · Microsoft · 2021-12-15 · 67 CVEs total

CVE-2021-42313 10.0 CRITICAL Microsoft Defender for IoT Remote Code Execution Vulnerability
CVE-2021-42311 10.0 CRITICAL Microsoft Defender for IoT Remote Code Execution Vulnerability
CVE-2021-43215 9.8 CRITICAL iSNS Server Memory Corruption Vulnerability Can Lead to Remote Code Execution
CVE-2021-43907 9.8 CRITICAL Visual Studio Code WSL Extension Remote Code Execution Vulnerability
CVE-2021-43899 9.8 CRITICAL Microsoft 4K Wireless Display Adapter Remote Code Execution Vulnerability
CVE-2021-43905 9.6 CRITICAL Microsoft Office app Remote Code Execution Vulnerability
CVE-2021-43882 9.0 CRITICAL Microsoft Defender for IoT Remote Code Execution Vulnerability
CVE-2021-42315 8.8 HIGH Microsoft Defender for IoT Remote Code Execution Vulnerability
CVE-2021-42314 8.8 HIGH Microsoft Defender for IoT Remote Code Execution Vulnerability
CVE-2021-41365 8.8 HIGH Microsoft Defender for IoT Remote Code Execution Vulnerability
CVE-2021-42309 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2021-43877 8.8 HIGH ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability
CVE-2021-43217 8.1 HIGH Windows Encrypting File System (EFS) Remote Code Execution Vulnerability
CVE-2021-42310 8.1 HIGH Microsoft Defender for IoT Remote Code Execution Vulnerability
CVE-2021-42320 8.0 HIGH Microsoft SharePoint Server Spoofing Vulnerability
CVE-2021-43231 7.8 HIGH Windows NTFS Elevation of Privilege Vulnerability
CVE-2021-43226 7.8 HIGH Windows Common Log File System Driver Elevation of Privilege Vulnerability
CVE-2021-43232 7.8 HIGH Windows Event Tracing Remote Code Execution Vulnerability
CVE-2021-43223 7.8 HIGH Windows Remote Access Connection Manager Elevation of Privilege Vulnerability
CVE-2021-43230 7.8 HIGH Windows NTFS Elevation of Privilege Vulnerability

Showing top 20 of 67 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Microsoft Office 2019
Same vendor: Microsoft

V. Comments for CVE-2021-42295

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