CVE-2022-40921

Name: CVE-2022-40921
Creator: NVD / NIST
Published: 2022-10-12T00:15:10.257+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 0.91%

Last modified Jun 17, 2026

CVE-2022-40921 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. DedeCMS V5.7.99 was discovered to contain an arbitrary file upload vulnerability via the component /dede/file_manage_control.php.. EPSS estimates a 0.91% chance of exploitation in the next 30 days.

Description

DedeCMS V5.7.99 was discovered to contain an arbitrary file upload vulnerability via the component /dede/file_manage_control.php.

Metrics

CVSS 3.1

7.2/10

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

EPSS Probability

0.91%

55.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Dedecms	Dedecms	5.7.99

References

https://github.com/T4nGg/DedeCMS-V5.7.99-File-Upload/Exploit, Third Party Advisory
https://github.com/T4nGg/DedeCMS-V5.7.99-File-Upload/Exploit, Third Party Advisory

Timeline

Published: Oct 12, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-40921?

DedeCMS V5.7.99 was discovered to contain an arbitrary file upload vulnerability via the component /dede/file_manage_control.php.

How severe is CVE-2022-40921?

CVE-2022-40921 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 0.91% probability of exploitation in the next 30 days.

How do I fix CVE-2022-40921?

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-2022-40921?

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

Scan your code now

Source: NVD / NIST