{"id":"CVE-2020-13128","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.","modified":"2026-07-08T16:28:53.886461Z","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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/manolo/gwtupload","events":[{"introduced":"6422caed2c0550c158a2ab3f9ad7839646e1d713"},{"last_affected":"6422caed2c0550c158a2ab3f9ad7839646e1d713"}],"database_specific":{"source":"CPE_STRING","cpe":"cpe:2.3:a:gwtupload_project:gwtupload:1.0.3:*:*:*:*:*:*:*","extracted_events":[{"introduced":"1.0.3"},{"last_affected":"1.0.3"}]}}],"versions":["1.0.3","gwtupload-project-1.0.3"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13128.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}