Arbitrary file upload in ScadaBR - CVE-2021-26828
Published: December 1, 2025 / Updated: December 3, 2025
Vulnerability identifier: #VU118871
CSH Severity: Medium
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-26828
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote user to compromise vulnerable system.
The vulnerability exists due to insufficient validation of file during file upload. A remote user can upload a malicious file and execute it on the server.
Affected software
ScadaBR
How to mitigate CVE-2021-26828
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.