What is CVE-2020-20642?

CVE-2020-20642 is a high-severity vulnerability in Eyoucms, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2021-08-19.

How severe is CVE-2020-20642?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2020-20642 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

CSRF in Eyoucms

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.

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.006 (44.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Eyoucms — versions 1.3.6
N/a — versions n/a

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

Public proof-of-concept exploits

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2020-20642?: CVE-2020-20642 is a high-severity vulnerability in Eyoucms, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2021-08-19.
How severe is CVE-2020-20642?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2020-20642 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.