CVE-2023-53956

Flatnux 2021-03.25 contains an authenticated file upload vulnerability that allows administrative users to upload arbitrary PHP files through the file manager. Attackers with admin credentials can upload malicious PHP scripts to the web root directory, enabling remote code execution on the server.

CVSS v3 8.8 HIGH

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
http://flatnux.altervista.org/flatnux.html
https://www.exploit-db.com/exploits/51295
https://www.vulncheck.com/advisories/flatnux-authenticated-file-upload-remote-code-execution

Configurations

No configuration.

History

19 Dec 2025, 21:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-12-19 21:15

Updated : 2025-12-23 14:52

NVD link : CVE-2023-53956

Mitre link : CVE-2023-53956

CVE.ORG link : CVE-2023-53956

JSON object : View

Products Affected

No product.

CWE

CWE-434

Unrestricted Upload of File with Dangerous Type

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