{
  "cveId": "CVE-2019-1301",
  "url": "https://patchblox.com/security/cve/CVE-2019-1301",
  "summary": "CVE-2019-1301 is fixed in 6 products on 1 platform, first by RHSA-2019:2731, released September 12, 2019. It is not reported as exploited. Patch Radar priority: High.",
  "title": ".NET Core Denial of Service Vulnerability",
  "description": "\u003Cp\u003EA denial of service vulnerability exists when .NET Core improperly handles web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET Core web application. The vulnerability can be exploited remotely, without authentication.\u003C/p\u003E\n\u003Cp\u003EA remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET Core application.\u003C/p\u003E\n\u003Cp\u003EThe update addresses the vulnerability by correcting how the .NET Core web application handles web requests.\u003C/p\u003E",
  "published": "2019-09-12T00:00:00Z",
  "severity": "Important",
  "cvss": 7.5,
  "epss": 0.0533,
  "epssPercentile": 0.92663,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2019-1301",
  "fixes": [
    {
      "platform": "linux",
      "product": "dotnet",
      "release": "RHEL 8",
      "fixedVersion": "0:2.1.509-1.el8_0",
      "fix": "RHSA-2019:2731",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2019-2731",
      "released": "2019-09-12T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dotnet",
      "release": "ol 8",
      "fixedVersion": "0:2.1.509-1.el8_0",
      "fix": "ELSA-2019-2731",
      "url": "https://patchblox.com/security/fix/linux/elsa-2019-2731",
      "released": "2019-09-12T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dotnet-host",
      "release": "RHEL 8",
      "fixedVersion": "0:2.1.13-1.el8_0",
      "fix": "RHSA-2019:2731",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2019-2731",
      "released": "2019-09-12T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dotnet-host",
      "release": "ol 8",
      "fixedVersion": "0:2.1.13-1.el8_0",
      "fix": "ELSA-2019-2731",
      "url": "https://patchblox.com/security/fix/linux/elsa-2019-2731",
      "released": "2019-09-12T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dotnet-host-fxr-2.1",
      "release": "RHEL 8",
      "fixedVersion": "0:2.1.13-1.el8_0",
      "fix": "RHSA-2019:2731",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2019-2731",
      "released": "2019-09-12T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dotnet-host-fxr-2.1",
      "release": "ol 8",
      "fixedVersion": "0:2.1.13-1.el8_0",
      "fix": "ELSA-2019-2731",
      "url": "https://patchblox.com/security/fix/linux/elsa-2019-2731",
      "released": "2019-09-12T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dotnet-runtime-2.1",
      "release": "RHEL 8",
      "fixedVersion": "0:2.1.13-1.el8_0",
      "fix": "RHSA-2019:2731",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2019-2731",
      "released": "2019-09-12T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dotnet-runtime-2.1",
      "release": "ol 8",
      "fixedVersion": "0:2.1.13-1.el8_0",
      "fix": "ELSA-2019-2731",
      "url": "https://patchblox.com/security/fix/linux/elsa-2019-2731",
      "released": "2019-09-12T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dotnet-sdk-2.1",
      "release": "RHEL 8",
      "fixedVersion": "0:2.1.509-1.el8_0",
      "fix": "RHSA-2019:2731",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2019-2731",
      "released": "2019-09-12T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dotnet-sdk-2.1",
      "release": "ol 8",
      "fixedVersion": "0:2.1.509-1.el8_0",
      "fix": "ELSA-2019-2731",
      "url": "https://patchblox.com/security/fix/linux/elsa-2019-2731",
      "released": "2019-09-12T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dotnet-sdk-2.1.5xx",
      "release": "RHEL 8",
      "fixedVersion": "0:2.1.509-1.el8_0",
      "fix": "RHSA-2019:2731",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2019-2731",
      "released": "2019-09-12T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "dotnet-sdk-2.1.5xx",
      "release": "ol 8",
      "fixedVersion": "0:2.1.509-1.el8_0",
      "fix": "ELSA-2019-2731",
      "url": "https://patchblox.com/security/fix/linux/elsa-2019-2731",
      "released": "2019-09-12T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}