All vulnerabilities
CVE-2021-26828

OpenPLC ScadaBR Unrestricted Upload of File with Dangerous Type Vulnerability

OpenPLC ScadaBR
Open in ThreatlineRecord JSON
CVSS
8.8High
ExploitationExploited in the wildAdded to KEV 3 Dec 2025CISA KEV
Exploit odds (EPSS)39.1%Chance of exploitation activity in the next 30 days, higher than 98% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version yet
Federal deadline24 Dec 2025Remediation due date for US federal agenciesCISA KEV
CISA 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. CISA KEV

What fixes it

No source in this snapshot names a fixed version.

Timeline

  1. 11 Jun 2021, 11:10 UTCPublishedCVE List
  2. 3 Dec 2025Added to CISA KEVCISA KEV

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.

Text from CVE List

Affected versions 1

  • n/aaffected: n/aCVE List

References 4