Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2021-43877— ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability

Quick assessment

Affected
Microsoft Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)
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 ASP.NET Core和Visual Studio Code都是美国微软（Microsoft）公司的产品。Microsoft ASP.NET Core是一框跨平台开源框架。该框架用于构建Web应用、物联网应用和移动后端等基于云的应用程序。Visual Studio Code是一款开源的代码编辑器。 Microsoft ASP.NET Core和Visual Studio 存在权限许可和访问控制问题漏洞。以下产品和版本受到影响：Microsoft Visual Studio 2019

CVSS 8.8 · High EPSS 0.72% · P52

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2021-43877

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/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 ASP.NET Core和Visual Studio 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft ASP.NET Core和Visual Studio Code都是美国微软（Microsoft）公司的产品。Microsoft ASP.NET Core是一框跨平台开源框架。该框架用于构建Web应用、物联网应用和移动后端等基于云的应用程序。Visual Studio Code是一款开源的代码编辑器。 Microsoft ASP.NET Core和Visual Studio 存在权限许可和访问控制问题漏洞。以下产品和版本受到影响：Microsoft Visual Studio 2019
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 Visual Studio 2019 version 16.7 (includes 16.0 – 16.6) 16.0.0 ~ 16.7.23 cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*
Microsoft Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8) 15.0.0 ~ 16.9.15 cpe:2.3:a:microsoft:visual_studio_2019:16.9:*:*:*:*:*:*:*
Microsoft Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10) 16.11.0 ~ 16.11.8 cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*
Microsoft Microsoft Visual Studio 2022 version 17.0 17.0.0 ~ 17.0.3 cpe:2.3:a:microsoft:visual_studio_2022:17.0:*:*:*:*:*:*:*
Microsoft ASP.NET Core 3.1 3.0 ~ 3.1.22 cpe:2.3:a:microsoft:asp.net_core:3.1:*:*:*:*:*:*:*
Microsoft ASP.NET Core 5.0 5.0 ~ 5.0.13 cpe:2.3:a:microsoft:asp.net_core:5.0:*:*:*:*:*:*:*
Microsoft ASP.NET Core 6.0 6.0 ~ 6.0.101 cpe:2.3:a:microsoft:asp.net_core:6.0:*:*:*:*:*:*:*
Microsoft Microsoft Visual Studio 2022 version 17.1 17.0.0 ~ 17.1.4 cpe:2.3:a:microsoft:visual_studio_2022:17.1:*:*:*:*:*:*:*

II. Public POCs for CVE-2021-43877

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2021-43877

请登录查看更多情报信息。

Vendor Advisories for CVE-2021-43877 (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-2021-43907 9.8 CRITICAL Visual Studio Code WSL Extension 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-2021-43905 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-2021-41365 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-2021-42314 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-2021-43217 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-2021-43234 7.8 HIGH Windows Fax Service Remote Code Execution Vulnerability
CVE-2021-43223 7.8 HIGH Windows Remote Access Connection Manager Elevation of Privilege Vulnerability
CVE-2021-43229 7.8 HIGH Windows NTFS Elevation of Privilege Vulnerability
CVE-2021-43230 7.8 HIGH Windows NTFS Elevation of Privilege Vulnerability
CVE-2021-43232 7.8 HIGH Windows Event Tracing Remote Code Execution Vulnerability

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

IV. Related Vulnerabilities

Same product: Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)
Same vendor: Microsoft

V. Comments for CVE-2021-43877

No comments yet

Leave a comment