Is It On KEV?

OpenPLC ScadaBR

YES - ON THE CISA KEV LIST
CVE-2021-26828

OpenPLC ScadaBR Unrestricted Upload of File with Dangerous Type Vulnerability

CISA catalog due date2025-12-24
322 days past due
EPSS exploit probability (next 30 days)39.1% · 99percentile
From CVE publication to KEV listing1636 days (2021-06-11 → 2025-12-03)
Remediation window (KEV listing to due date)21 days
Days on the KEV list343 days
Date added to KEV2025-12-03
Known ransomware campaign useUnknown
VendorOpenPLC
ProductScadaBR
Weaknesses (CWE)CWE-434

OpenPLC: 2 entries (0.1% of all KEV entries are from this vendor); 0 added in 2026.

BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.

Your BOD 26-04 window (SSVC tier helper)

Your remediation window ends:

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

Other KEV entries for this vendor: OpenPLC

OpenPLC - Vendors with KEV entries

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