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CVE-2020-1193— Microsoft Excel Remote Code Execution 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 Excel 中存在缓冲区错误漏洞。该漏洞源于网络系统或产品中缺少身份验证措施或身份验证强度不足。攻击者可以利用该漏洞获得与当前用户相同的用户权限。以下产品及版本受到影响： Microsoft Office 2016版本， Microsoft Office 2010 SP2版本， Microsoft Office 2013 RT SP1版本， Microsoft Office

CVSS 7.8 · High EPSS 3.83% · P90
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I. Basic Information for CVE-2020-1193

Vulnerability Information
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Vulnerability Title
Microsoft Excel Remote Code Execution Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
<p>A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user. If the current user is logged on with administrative user rights, an attacker could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.</p> <p>Exploitation of the vulnerability requires that a user open a specially crafted file with an affected version of Microsoft Excel. In an email attack scenario, an attacker could exploit the vulnerability by sending the specially crafted file to the user and convincing the user to open the file. In a web-based attack scenario, an attacker could host a website (or leverage a compromised website that accepts or hosts user-provided content) containing a specially crafted file designed to exploit the vulnerability. An attacker would have no way to force users to visit the website. Instead, an attacker would have to convince users to click a link, typically by way of an enticement in an email or instant message, and then convince them to open the specially crafted file.</p> <p>The security update addresses the vulnerability by correcting how Microsoft Excel handles objects in memory.</p>
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/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
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 Excel 中存在缓冲区错误漏洞。该漏洞源于网络系统或产品中缺少身份验证措施或身份验证强度不足。攻击者可以利用该漏洞获得与当前用户相同的用户权限。以下产品及版本受到影响： Microsoft Office 2016版本， Microsoft Office 2010 SP2版本， Microsoft Office 2013 RT SP1版本， Microsoft Office
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 2019 for Mac 16.0.0 ~ publication cpe:2.3:a:microsoft:office:2019:*:*:*:*:macos:*:*
Microsoft Microsoft 365 Apps for Enterprise 16.0.1 ~ https://aka.ms/OfficeSecurityReleases cpe:2.3:a:microsoft:365_apps:-:*:*:*:enterprise:*:*:*
Microsoft Microsoft Office 2016 16.0.0 ~ publication cpe:2.3:a:microsoft:office:2016:*:*:*:*:*:x86:*
Microsoft Microsoft Office 2016 for Mac 16.0.0 ~ publication cpe:2.3:a:microsoft:office:2016:*:*:*:*:mac_os:*:*
Microsoft Microsoft Office 2010 Service Pack 2 13.0.0.0 ~ publication cpe:2.3:a:microsoft:excel:2010:sp2:*:*:*:*:*:*
Microsoft Microsoft Office 2013 Service Pack 1 15.0.0 ~ publication cpe:2.3:a:microsoft:office:2013:sp1:*:*:rt:*:*:*

II. Public POCs for CVE-2020-1193

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III. Intelligence Information for CVE-2020-1193

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Vendor Advisories for CVE-2020-1193 (1)

Same Patch Batch · Microsoft · 2020-09-11 · 129 CVEs total

CVE-2020-1595 9.9 CRITICAL Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2020-1210 9.9 CRITICAL Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2020-1523 8.9 HIGH Microsoft SharePoint Server Tampering Vulnerability
CVE-2020-1012 8.8 HIGH WinINet API Elevation of Privilege Vulnerability
CVE-2020-0922 8.8 HIGH Microsoft COM for Windows Remote Code Execution Vulnerability
CVE-2020-1129 8.8 HIGH Microsoft Windows Codecs Library Remote Code Execution Vulnerability
CVE-2020-0761 8.8 HIGH Active Directory Remote Code Execution Vulnerability
CVE-2020-0718 8.8 HIGH Active Directory Remote Code Execution Vulnerability
CVE-2020-1200 8.6 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2020-1452 8.6 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2020-1460 8.6 HIGH Microsoft SharePoint Server Remote Code Execution Vulnerability
CVE-2020-1453 8.6 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2020-1576 8.5 HIGH Microsoft SharePoint Remote Code Execution Vulnerability
CVE-2020-16875 8.4 HIGH Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2020-1285 8.4 HIGH GDI+ Remote Code Execution Vulnerability
CVE-2020-1507 7.9 HIGH Microsoft COM for Windows Elevation of Privilege Vulnerability
CVE-2020-1218 7.8 HIGH Microsoft Word Remote Code Execution Vulnerability
CVE-2020-1030 7.8 HIGH Windows Print Spooler Elevation of Privilege Vulnerability
CVE-2020-1115 7.8 HIGH Windows Common Log File System Driver Elevation of Privilege Vulnerability
CVE-2020-1098 7.8 HIGH Windows Shell Infrastructure Component Elevation of Privilege Vulnerability

Showing top 20 of 129 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Microsoft Office 2019
Same vendor: Microsoft

V. Comments for CVE-2020-1193

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