CVE-2020-12255

HighCVSS 8.8/10Last modified Jun 17, 2026

Description

rConfig 3.9.4 is vulnerable to remote code execution due to improper validation in the file upload functionality. vendor.crud.php accepts a file upload by checking content-type without considering the file extension and header. Thus, an attacker can exploit this by uploading a .php file to vendor.php that contains arbitrary PHP code and changing the content-type to image/gif.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-434

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://gist.github.com/farid007/9f6ad063645d5b1550298c8b9ae953ffThird Party Advisory
https://gist.github.com/farid007/9f6ad063645d5b1550298c8b9ae953ffThird Party Advisory

Timeline

Published: May 18, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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