High severity7.5NVD Advisory· Published May 18, 2020· Updated Jun 17, 2026
CVE-2020-13128
CVE-2020-13128
Description
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.
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Affected products
2- Manolo/GWTUploaddescription
Patches
Vulnerability mechanics
References
2- github.com/manolo/gwtupload/issues/33nvdExploitThird Party Advisory
- logicaltrust.net/blog/2020/02/gwt-upload.htmlnvdExploitThird Party Advisory
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