What is CVE-2020-21862?

CVE-2020-21862 is a high-severity vulnerability in Duxcms Project, classified under Path Traversal. CVSS score: 8.1/10. Published 2023-07-06.

How severe is CVE-2020-21862?

High severity. CVSS v3 base score is 8.1 out of 10.

Path Traversal in Duxcms Project

CVE-2020-21862

Directory traversal vulnerability in DuxCMS 2.1 allows attackers to delete arbitrary files via /admin/AdminBackup/del.

Vulnerability class: Path Traversal (Directory Traversal)

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

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (60.2th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Duxcms Project — versions 2.1

Weakness classification (CWE)

CWE-22 — Path Traversal

References

gitee.com/annyshow/DuxCMS2.1/issues/I182Z5 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2020-21862?: CVE-2020-21862 is a high-severity vulnerability in Duxcms Project, classified under Path Traversal. CVSS score: 8.1/10. Published 2023-07-06.
How severe is CVE-2020-21862?: High severity. CVSS v3 base score is 8.1 out of 10.