CVE-2021-43256— Microsoft Excel Remote Code Execution Vulnerability
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I. Basic Information for CVE-2021-43256
Vulnerability Information
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Vulnerability Title
Microsoft Excel Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Microsoft Excel Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Microsoft Office和Microsoft Excel 代码注入漏洞
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 Excel存在代码注入漏洞。以下产品和版本受到影响：Office Online Server,Microsoft Office 2019 for 32-bit editions,Microsoft Office 2019 for 64-bit editions,Microsoft 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 | Office Online Server | https://aka.ms/OfficeSecurityReleases ~ 16.0.10381.20001 | cpe:2.3:a:microsoft:office:2021:*:*:*:ltsc:*:*:* | |
| 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 Excel 2016 | 16.0.0.0 ~ 16.0.5254.1000 | cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:x86:* | |
| Microsoft | Microsoft Excel 2013 Service Pack 1 | 15.0.0.0 ~ 15.0.5407.1000 | cpe:2.3:a:microsoft:excel:2013:sp1:*:*:rt:*:*:* | |
| Microsoft | Microsoft Office Web Apps Server 2013 Service Pack 1 | 15.0.1 ~ 15.0.5407.1000 | cpe:2.3:a:microsoft:office_web_apps_server:2013:sp1:*:*:*:*:*:* |
II. Public POCs for CVE-2021-43256
| # | POC Description | Source Link | Shenlong Link |
|---|
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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-2021-43232 | 7.8 HIGH | Windows Event Tracing Remote Code Execution Vulnerability |
| CVE-2021-43226 | 7.8 HIGH | Windows Common Log File System Driver Elevation of Privilege Vulnerability |
| CVE-2021-43231 | 7.8 HIGH | Windows NTFS Elevation of Privilege 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: Office Online Server
Same vendor: Microsoft
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V. Comments for CVE-2021-43256
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