Arbitrary file upload in Dedecms

CVE-2018-12045

DedeCMS through V5.7SP2 allows arbitrary file upload in dede/file_manage_control.php via a dede/file_manage_view.php?fmdo=upload request with an upfile1 parameter, as demonstrated by uploading a .php file.

Vulnerability class: Unrestricted File Upload

EPSS: 0.014 (69.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Dedecms — versions 5.7
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-12045?
CVE-2018-12045 is a critical-severity vulnerability in Dedecms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2018-06-08.
How severe is CVE-2018-12045?
Critical severity. CVSS v3 base score is 9.8 out of 10.