CVE-2021-34532: Microsoft ASP.NET Core

Medium severity, CVSS 5.5. EPSS: 1.2% chance of exploitation in the next 30 days.

ASP.NET Core and Visual Studio Information Disclosure Vulnerability

Affected products

• Microsoft ASP.NET Core: from 2.1, up to and including 2.1.2; from 3.1, up to and including 3.1.17; from 5.0, up to and including 5.0.8
• Microsoft Visual Studio 2019: from 16.0, up to and including 16.10; version 8.10 only

Published 2021-08-12. Last modified 2026-08-10.