CVE-2020-21005

Public Exploit

Description

WellCMS 2.0 beta3 is vulnerable to File Upload. A user can log in to the CMS background and upload a picture. Because the upload file type is controllable, the user can modify the upload file type to get webshell.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.21%
Vendor Advisory wellcms.cn
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/Computer2200/-/issues/4 third party advisory exploit
http://www.wellcms.cn/read-27.html&& vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-21005?
CVE-2020-21005 has been scored as a medium severity vulnerability.
How to fix CVE-2020-21005?
To fix CVE-2020-21005, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-21005 being actively exploited in the wild?
It is possible that CVE-2020-21005 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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