.NET Core 1.0, 1.1, and 2.0 allow an unauthenticated attacker to remotely cause a denial of service attack against a .NET Core web application by improperly handling web requests, aka ".NET CORE Denial Of Service Vulnerability".
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This high-severity CVE scores 7.5 under NVD CVSS v3. EPSS exploit probability: 34.4%, top 3% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
.NET Core 1.0, 1.1, and 2.0 allow an unauthenticated attacker to remotely cause a denial of service attack against a .NET Core web application by improperly handling web requests, aka ".NET CORE Denial Of Service Vulnerability".
November 15, 2017
May 13, 2026
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| Microsoft.AspNetCore.Server.HttpSys | 2.0.0, 2.0.1 | 2.0.2 | — |
| Microsoft.AspNetCore.Server.WebListener | 1.1.0, 1.1.1, 1.1.2, 1.1.3 | 1.1.4 | — |
| Microsoft.Net.Http.Server | 1.1.0, 1.1.1, 1.1.2, 1.1.3 | 1.1.4 | — |
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.
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