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CVE-2021-31174— Microsoft Excel 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 Excel是美国微软(Microsoft)公司的一款Office套件中的电子表格处理软件。 Microsoft Office Excel 存在缓冲区错误漏洞。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 Office Online Server,Microsoft 365 Apps for Enterprise for 3

CVSS 5.5 · Medium EPSS 2.94% · P86

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2021-31174

Vulnerability Information

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Vulnerability Title
Microsoft Excel Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Microsoft Excel Information Disclosure Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/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 Excel 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Excel是美国微软(Microsoft)公司的一款Office套件中的电子表格处理软件。 Microsoft Office Excel 存在缓冲区错误漏洞。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 Office Online Server,Microsoft 365 Apps for Enterprise for 3
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 Office Online Server 16.0.1 ~ 16.0.10374.20000 cpe:2.3:a:microsoft:office_online_server:-:*:*:*:*:*:*:*
Microsoft Microsoft 365 Apps for Enterprise 16.0.1 ~ https://aka.ms/OfficeSecurityReleases cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*
Microsoft Microsoft Excel 2016 16.0.0.0 ~ 16.0.5161.1000 cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x86:*
Microsoft Microsoft Office 2016 16.0.0 ~ 16.0.5161.1000 cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:x86:*
Microsoft Microsoft Excel 2013 Service Pack 1 15.0.0.0 ~ 15.0.5345.1000 cpe:2.3:a:microsoft:excel:2013:sp1:*:*:rt:*:*:*
Microsoft Microsoft Office 2013 Service Pack 1 15.0.0 ~ 15.0.5345.1000 cpe:2.3:a:microsoft:office:2013:sp1:*:*:rt:*:*:*
Microsoft Microsoft Office Web Apps Server 2013 Service Pack 1 15.0.1 ~ 15.0.5345.1000 cpe:2.3:a:microsoft:office_web_apps_server:2013:sp1:*:*:*:*:*:*

II. Public POCs for CVE-2021-31174

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III. Intelligence Information for CVE-2021-31174

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Vendor Advisories for CVE-2021-31174 (1)

Same Patch Batch · Microsoft · 2021-05-11 · 52 CVEs total

CVE-2021-28476 9.9 CRITICAL Windows Hyper-V Remote Code Execution Vulnerability
CVE-2021-31166 9.8 CRITICAL HTTP Protocol Stack Remote Code Execution Vulnerability
CVE-2021-28455 8.8 HIGH Microsoft Jet Red Database Engine and Access Connectivity Engine Remote Code Execution Vul
CVE-2021-31181 8.8 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2021-27068 8.8 HIGH Visual Studio Remote Code Execution Vulnerability
CVE-2021-31194 8.8 HIGH OLE Automation Remote Code Execution Vulnerability
CVE-2021-28474 8.8 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2021-31211 7.8 HIGH Visual Studio Code Remote Code Execution Vulnerability
CVE-2021-31165 7.8 HIGH Windows Container Manager Service Elevation of Privilege Vulnerability
CVE-2021-31168 7.8 HIGH Windows Container Manager Service Elevation of Privilege Vulnerability
CVE-2021-31170 7.8 HIGH Windows Graphics Component Elevation of Privilege Vulnerability
CVE-2021-31213 7.8 HIGH Visual Studio Code Remote Containers Extension Remote Code Execution Vulnerability
CVE-2021-31169 7.8 HIGH Windows Container Manager Service Elevation of Privilege Vulnerability
CVE-2021-31180 7.8 HIGH Microsoft Office Graphics Remote Code Execution Vulnerability
CVE-2021-31214 7.8 HIGH Visual Studio Code Remote Code Execution Vulnerability
CVE-2021-31179 7.8 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2021-31177 7.8 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2021-31175 7.8 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2021-31176 7.8 HIGH Microsoft Office Remote Code Execution Vulnerability
CVE-2021-31208 7.8 HIGH Windows Container Manager Service Elevation of Privilege Vulnerability

Showing top 20 of 52 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

V. Comments for CVE-2021-31174

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