CVE-2020-20642

Name: CVE-2020-20642
Creator: NVD / NIST
Published: 2021-08-19T19:15:07.143+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.57%

Last modified Jun 17, 2026

CVE-2020-20642 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Cross Site Request Forgery (CSRF) vulnerability exists in EyouCMS 1.3.6 that can add an htm page to execute the js code via login.php?m=admin&c=Filemanager&a=newfile&lang=cn.. EPSS estimates a 0.57% chance of exploitation in the next 30 days.

Description

Cross Site Request Forgery (CSRF) vulnerability exists in EyouCMS 1.3.6 that can add an htm page to execute the js code via login.php?m=admin&c=Filemanager&a=newfile&lang=cn.

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

0.57%

43.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Eyoucms	Eyoucms	1.3.6

References

https://github.com/eyoucms/eyoucms/issues/5Exploit, Issue Tracking, Third Party Advisory
https://github.com/eyoucms/eyoucms/issues/5Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Aug 19, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-20642?

Cross Site Request Forgery (CSRF) vulnerability exists in EyouCMS 1.3.6 that can add an htm page to execute the js code via login.php?m=admin&c=Filemanager&a=newfile&lang=cn.

How severe is CVE-2020-20642?

CVE-2020-20642 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.57% probability of exploitation in the next 30 days.

How do I fix CVE-2020-20642?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-20642?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST