CVE-2024-21386: high-severity vulnerability in Microsoft ASP.NET Core 6.0
.NET Denial of Service Vulnerability
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 2.4%
.NET Denial of Service Vulnerability
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
Affected products
Microsoft · ASP.NET Core 6.0Microsoft · ASP.NET Core 7.0Microsoft · ASP.NET Core 8.0Microsoft · Microsoft Visual Studio 2022 version 17.4Microsoft · Microsoft Visual Studio 2022 version 17.6Microsoft · Microsoft Visual Studio 2022 version 17.8Related CVEs — Microsoft ASP.NET Core 6.0
In the same product, most dangerous first.
CVE-2025-55315CRITICALASP.NET Security Feature Bypass VulnerabilityEPSS 66.5%CVE-2026-26130HIGHASP.NET Core Denial of Service VulnerabilityEPSS 3.0%CVE-2023-36038HIGHASP.NET Core Denial of Service VulnerabilityEPSS 2.8%CVE-2026-45591HIGHASP.NET Core Denial of Service VulnerabilityEPSS 2.5%CVE-2025-26682HIGHASP.NET Core and Visual Studio Denial of Service VulnerabilityEPSS 1.7%CVE-2026-70181HIGHASP.NET Core Denial of Service VulnerabilityEPSS 1.2%