CVE-2020-21862

Name: CVE-2020-21862
Creator: NVD / NIST
Published: 2023-07-06T14:15:10.08+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 0.80%

Last modified Jun 17, 2026

CVE-2020-21862 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. Directory traversal vulnerability in DuxCMS 2.1 allows attackers to delete arbitrary files via /admin/AdminBackup/del.. EPSS estimates a 0.80% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

8.1/10

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

EPSS Probability

0.80%

51.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Duxcms Project	Duxcms	2.1

References

https://gitee.com/annyshow/DuxCMS2.1/issues/I182Z5Exploit, Issue Tracking, Third Party Advisory
https://gitee.com/annyshow/DuxCMS2.1/issues/I182Z5Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Jul 6, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-21862?

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

How severe is CVE-2020-21862?

CVE-2020-21862 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.80% probability of exploitation in the next 30 days.

How do I fix CVE-2020-21862?

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-2020-21862?

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

Scan your code now

Source: NVD / NIST