Back to Database
Status published
Medium
CVE-2021-34532
ASP.NET Core and Visual Studio Information Disclosure Vulnerability
Vulnerability Description
ASP.NET Core and Visual Studio Information Disclosure Vulnerability
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-34532
Credits & Attribution
No credits recorded in the NVD database.
More from Microsoft
View All →CVE-2025-9611
Microsoft Playwright MCP Server < 0.0.40 DNS Rebinding via Missing Origin Header Validation
High
7.2
CVE-2025-9491
Microsoft Windows LNK File UI Misrepresentation Remote Code Execution Vulnerability
High
7
CVE-2025-7326
EOL ASP.NET Core Elevation of Privilege Vulnerability
High
7
CVE-2025-65046
Microsoft Edge (Chromium-based) Spoofing Vulnerability
Low
3.1
CVE-2025-65041
Microsoft Partner Center Elevation of Privilege Vulnerability
Critical
10
Affected Vendor
Microsoft
View all reports →Affected Software
ASP.NET Core 2.1, ASP.NET Core 3.1, ASP.NET Core 5.0, Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3), Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6), Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8), Microsoft Visual Studio 2019 version 16.10 (includes 16.0 - 16.9), Visual Studio 2019 for Mac version 8.10
Vulnerable Versions:
2.0, 3.0, 5.0, 16.0, 16.0.0, 15.0.0, 16.10.0, 8.1.0
Timeline
Official Publish:
August 12th, 2021
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.