Arbitrary file upload in Gwtupload Project

CVE-2020-13128

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.

Vulnerability class: Unrestricted File Upload

EPSS: 0.016 (73.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-13128?
CVE-2020-13128 is a high-severity vulnerability in Gwtupload Project, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.5/10. Published 2020-05-18.
How severe is CVE-2020-13128?
High severity. CVSS v3 base score is 7.5 out of 10.