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CVE-2021-26828 — Actively Exploited: ScadaBR (OpenPLC)

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.

CVE IDCVE-2021-26828
VendorOpenPLC
ProductScadaBR
Vulnerability nameOpenPLC ScadaBR Unrestricted Upload of File with Dangerous Type Vulnerability
Date added2025-12-03
Remediation due2025-12-24
Known ransomware useUnknown
Required actionApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
DescriptionOpenPLC 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.
SourceCISA Known Exploited Vulnerabilities

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