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.
History

Fri, 19 Dec 2025 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Fri, 19 Dec 2025 21:15:00 +0000

Type Values Removed Values Added
Description 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.
Title Flatnux 2021-03.25 Authenticated File Upload Remote Code Execution
Weaknesses CWE-434
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2025-12-19T21:51:58.606Z

Reserved: 2025-12-19T14:03:57.723Z

Link: CVE-2023-53956

cve-icon Vulnrichment

Updated: 2025-12-19T21:51:42.732Z

cve-icon NVD

Status : Received

Published: 2025-12-19T21:15:51.970

Modified: 2025-12-19T21:15:51.970

Link: CVE-2023-53956

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.