High severity · published May 18, 2020
CVE-2020-13128
An issue was discovered in Manolo GWTUpload 1.0.3
7.5
CVSS
1.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GW
Gwtupload · Gwtupload Project
1.0.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-13128
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-13128
Exploit
https://github.com/manolo/gwtupload/issues/33
Exploit
https://logicaltrust.net/blog/2020/02/gwt-upload.html
More from Gwtupload
6.1
CVE-2020-9447
There is an XSS (cross-site scripting) vulnerability in GwtUpload 1.0.3 in the file upload functionality