CVE-2021-26828 · netVigilance record NV25-0228
OpenPLC ScadaBR Unrestricted Upload of File with Dangerous Type
past due
What to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
CISA deadline 2025-12-24 · passed 8 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
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.
Who is affected
OpenPLC ScadaBR. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-434.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 8 months ago
Sources
- NVD entry for CVE-2021-26828 nvd.nist.gov/vuln/detail/CVE-2021-26828
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- github.com github.com/SCADA-LTS/Scada-LTS/pull/2174
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2021-26828