CVE-2021-26828 — OpenPLC ScadaBR Unrestricted Upload of File with Dangerous Type Vulnerability
CVE-2021-26828: OpenPLC ScadaBR Unrestricted Upload of File with Dangerous Type Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | OpenPLC |
| Product | ScadaBR |
| Date added | 2025-12-03 |
| Due date | 2025-12-24 |
| Ransomware campaign use | Unknown |
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.
Required action (CISA)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
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
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-26828
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog