OpenPLC ScadaBR Unrestricted Upload of File with Dangerous Type Vulnerability

Technical Severity

CVSS v3.1 Metrics

HIGH

8.8 / 10

Minimal Risk Critical

Vector Specification

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

Exploitation Likelihood

EPSS Prediction

78.55 %

Predictive Probability

Percentile Rank

99.0 th

Documented as more likely to be exploited than 99.0% of known CVEs.

Detection Date

Dec 03, 2025

Remediation Due

Dec 24, 2025

CISA Catalog Active

Threat Analysis

OpenPLC ScadaBR contains an unrestricted upload of file with dangerous type vulnerability that allows remote authenticated users to upload and execute arbitrary JSP files via view_edit.shtm.

Remediation Directive

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Asset Context

Vendor Identity

OpenPLC

Affected Product

ScadaBR

Ransomware Status

Campaign Use Unknown

Weakness Classification

CWE-434

External Intelligence

This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see:

https://github.com/SCADA-LTS/Scada-LTS/pull/2174

NVD

National Vulnerability Database

https://nvd.nist.gov/vuln/detail/CVE-2021-26828