CVE-2021-26828β€”OpenPLC ScadaBR Unrestricted Upload of File with Dangerous Type Vulnerability

PUBLISHEDvulnerability record
2025-12-03 Β· last modified December 22, 2025

Metadata

CVE ID:
CVE-2021-26828
Project:
OpenPLC
Product:
ScadaBR
Date Added:
2025-12-03
Due Date:
2025-12-24
Last Updated:
December 22, 2025

Vulnerability Name

OpenPLC ScadaBR Unrestricted Upload of File with Dangerous Type Vulnerability

Description

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.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:
Unknown

Action

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

Additional Notes

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

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