Arbitrary file upload in Enterprise Building Management System and Proton Building Management System - CVE-2019-7274
Published: June 19, 2019 / Updated: June 17, 2021
Vulnerability identifier: #VU18833
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/U:Amber
CVE-ID: CVE-2019-7274
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Optergy
Affected software:
Enterprise Building Management System
Proton Building Management System
Enterprise Building Management System
Proton Building Management System
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to to the absence of file extension validation when uploading files through the badge image upload script. A remote non-authenticated attacker can upload files with arbitrary extensions into a directory within application’s web root and execute them with privileges of the web server.
How to mitigate CVE-2019-7274
Install updates from vendor's website.