CVE-2021-42309— Microsoft SharePoint Server Remote Code Execution Vulnerability
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I. Basic Information for CVE-2021-42309
Vulnerability Information
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Vulnerability Title
Microsoft SharePoint Server Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Microsoft SharePoint Server Remote Code Execution Vulnerability
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/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 SharePoint 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft SharePoint是美国微软（Microsoft）公司的一套企业业务协作平台。该平台用于对业务信息进行整合，并能够共享工作、与他人协同工作、组织项目和工作组、搜索人员和信息。 Microsoft Office Sharepoint Server 存在代码注入漏洞，以下产品和版本受到影响:微软SharePoint Enterprise Server 2016年,微软SharePoint Server 2019,微软SharePoint服务器订阅版,微软SharePoint 2013 S
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 SharePoint Enterprise Server 2016 | 16.0.0 ~ 16.0.5254.1000 | cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:* | |
| Microsoft | Microsoft SharePoint Server 2019 | 16.0.0 ~ 16.0.10381.20001 | cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:* | |
| Microsoft | Microsoft SharePoint Server Subscription Edition | 16.0.0 ~ 16.0.14326.20620 | cpe:2.3:a:microsoft:sharepoint_server:-:*:*:*:subscription:*:*:* | |
| Microsoft | Microsoft SharePoint Foundation 2013 Service Pack 1 | 15.0.0 ~ 15.0.5407.1000 | cpe:2.3:a:microsoft:sharepoint_foundation:2013:sp1:*:*:*:*:*:* |
II. Public POCs for CVE-2021-42309
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://www.zerodayinitiative.com/advisories/ZDI-22-074/x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-42309
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-2021-43899 | 9.8 CRITICAL | Microsoft 4K Wireless Display Adapter Remote Code Execution Vulnerability |
| CVE-2021-43907 | 9.8 CRITICAL | Visual Studio Code WSL Extension 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-2021-43877 | 8.8 HIGH | ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability |
| CVE-2021-41365 | 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-2021-42315 | 8.8 HIGH | Microsoft Defender for IoT Remote Code Execution Vulnerability |
| CVE-2021-42310 | 8.1 HIGH | Microsoft Defender for IoT Remote Code Execution Vulnerability |
| CVE-2021-43217 | 8.1 HIGH | Windows Encrypting File System (EFS) 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 |
| CVE-2021-43229 | 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 SharePoint Enterprise Server 2016
- CVE-2026-32201
Microsoft SharePoint Server Spoofing Vulnerability - CVE-2026-20945
Microsoft SharePoint Server Spoofing Vulnerability - CVE-2026-26106
Microsoft SharePoint Server Remote Code Execution Vulnerabil - CVE-2026-26114
Microsoft SharePoint Server Remote Code Execution Vulnerabil - CVE-2026-26105
Microsoft SharePoint Server Spoofing Vulnerability
Same vendor: Microsoft
- CVE-2026-42826
Azure DevOps Information Disclosure Vulnerability - CVE-2026-35428
Azure Cloud Shell Spoofing Vulnerability - CVE-2026-35435
Azure AI Foundry Elevation of Privilege Vulnerability - CVE-2026-34327
Microsoft Partner Center Spoofing Vulnerability - CVE-2026-33844
Azure Managed Instance for Apache Cassandra Remote Code Exec
V. Comments for CVE-2021-42309
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