What is CVE-2020-21881?

CVE-2020-21881 is a medium-severity vulnerability in Duxcms Project, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2023-07-31.

How severe is CVE-2020-21881?

Medium severity. CVSS v3 base score is 6.5 out of 10.

CSRF in Duxcms Project

CVE-2020-21881

Cross Site Request Forgery (CSRF) vulnerability in admin.php in DuxCMS 2.1 allows remote attackers to modtify application data via article/admin/content/add.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2023-07-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.003 (25.0th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Duxcms Project — versions 2.1

Weakness classification (CWE)

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

References

gitee.com/annyshow/DuxCMS2.1/issues/I183GG (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2020-21881?: CVE-2020-21881 is a medium-severity vulnerability in Duxcms Project, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2023-07-31.
How severe is CVE-2020-21881?: Medium severity. CVSS v3 base score is 6.5 out of 10.