CVE-2021-26828

Summary

CVECVE-2021-26828
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-06-11 12:15:00 UTC
Updated2021-06-21 18:47:00 UTC
DescriptionOpenPLC ScadaBR through 0.9.1 on Linux and through 1.12.4 on Windows allows remote authenticated users to upload and execute arbitrary JSP files via view_edit.shtm.

Risk And Classification

EPSS: 0.800170000 probability, percentile 0.990980000 (date 2026-04-01)

CISA KEV: Listed on 2025-12-03; due 2025-12-24; ransomware use Unknown

Problem Types: CWE-434

CISA Known Exploited Vulnerability

VendorOpenPLC
ProductScadaBR
NameOpenPLC ScadaBR Unrestricted Upload of File with Dangerous Type Vulnerability
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.
NotesThis 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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Openplcproject Scadabr All All All All
Application Openplcproject Scadabr All All All All

References

ReferenceSourceLinkTags
[REPORT] Falhas de segurança em versões do ScadaBR - ScadaBR - Geral - ScadaBR MISC forum.scadabr.com.br
ScadaBR 1.0 / 1.1CE Linux Shell Upload ≈ Packet Storm MISC packetstormsecurity.com
ScadaBR CE 1.12.4 - Remote Code Execution via Arbitrary File Upload (Authenticated) - Windows 7 x64 - YouTube MISC youtu.be
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev
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