{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.0",
  "cveMetadata": {
    "cveId": "CVE-2021-4236"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc"
      },
      "descriptions": [
        {
          "lang": "en",
          "value": "Web Sockets do not execute any AuthenticateMethod methods which may be set, leading to a nil pointer dereference if the returned UserData pointer is assumed to be non-nil, or authentication bypass. This issue only affects WebSockets with an AuthenticateMethod hook. Request handlers that do not explicitly use WebSockets are not vulnerable."
        }
      ],
      "affected": [
        {
          "vendor": "github.com/ecnepsnai/web",
          "product": "github.com/ecnepsnai/web",
          "collectionURL": "https://pkg.go.dev",
          "packageName": "github.com/ecnepsnai/web",
          "versions": [
            {
              "version": "1.4.0",
              "lessThan": "1.5.2",
              "status": "affected",
              "versionType": "semver"
            }
          ],
          "programRoutines": [
            {
              "name": "Server.socketHandler"
            },
            {
              "name": "Server.Socket"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "CWE-400: Uncontrolled Resource Consumption"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://github.com/ecnepsnai/web/commit/5a78f8d5c41ce60dcf9f61aaf47a7a8dc3e0002f"
        },
        {
          "url": "https://pkg.go.dev/vuln/GO-2021-0107"
        }
      ]
    }
  }
}