What is CVE-2020-24271?

CVE-2020-24271 is a high-severity vulnerability in Easycms, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2021-02-01.

How severe is CVE-2020-24271?

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

CSRF in Easycms

CVE-2020-24271

A CSRF vulnerability was discovered in EasyCMS v1.6 that can add an admin account through index.php?s=/admin/rbacuser/insert/navTabId/rbacuser/callbackType/closeCurrent, then post username=***&password=***.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2021-02-01 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.006 (46.9th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Easycms — versions 1.6

Weakness classification (CWE)

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

References

github.com/users/yohoho221/projects/1 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-24271?: CVE-2020-24271 is a high-severity vulnerability in Easycms, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2021-02-01.
How severe is CVE-2020-24271?: High severity. CVSS v3 base score is 8.8 out of 10.