CVE-2021-42171

Public Exploit

Description

Zenario CMS 9.0.54156 is vulnerable to File Upload. The web server can be compromised by uploading and executing a web-shell which can run commands, browse system files, browse local resources, attack other servers, and exploit the local vulnerabilities, and so forth.

Category

7.2
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 17.17% Top 10%
Third-Party Advisory packetstormsecurity.com Third-Party Advisory github.com Third-Party Advisory medium.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://minhnq22.medium.com/file-upload-to-rce-on-zenario-9-0-54156-cms-fa05fcc6cf74 third party advisory
https://github.com/hieuminhnv/Zenario-CMS-9.0-last-version/issues/2 third party advisory issue tracking exploit
http://packetstormsecurity.com/files/166617/Zenario-CMS-9.0.54156-Remote-Code-Execution.html third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-42171?
CVE-2021-42171 has been scored as a high severity vulnerability.
How to fix CVE-2021-42171?
To fix CVE-2021-42171, 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-2021-42171 being actively exploited in the wild?
It is possible that CVE-2021-42171 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~17% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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