{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.0.3"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "6422caed2c0550c158a2ab3f9ad7839646e1d713"
            }
          ],
          "repo": "https://github.com/manolo/gwtupload",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "An issue was discovered in Manolo GWTUpload 1.0.3. server/UploadServlet.java (the servlet for handling file upload) accepts a delay parameter that causes a thread to sleep. It can be abused to cause all of a server's threads to sleep, leading to denial of service.",
  "id": "CVE-2020-13128",
  "modified": "2026-03-13T21:46:58.743547569Z",
  "published": "2020-05-18T00:15:11.547Z",
  "references": [
    {
      "type": "EVIDENCE",
      "url": "https://github.com/manolo/gwtupload/issues/33"
    },
    {
      "type": "EVIDENCE",
      "url": "https://logicaltrust.net/blog/2020/02/gwt-upload.html"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}