CVE-2021-26828 - Vulnerability Details - OpenCVE

OpenPLC 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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is in the KEV database since today.

The EPSS score is 0.52654.

Exploitation active

Automatable no

Technical Impact total

Vendors	Products
Openplcproject Subscribe	Scadabr Subscribe

Configuration 1 [-]

OR	cpe:2.3:a:openplcproject:scadabr::::::linux::*
	cpe:2.3:a:openplcproject:scadabr::::::windows::*

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
http://forum.scadabr.com.br/t/report-falhas-de-seguranca-em-versoes-do-scadabr/3615/4
http://packetstormsecurity.com/files/162564/ScadaBR-1.0-1.1CE-Linux-Shell-Upload.html
https://github.com/SCADA-LTS/Scada-LTS/pull/2174
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26828
https://youtu.be/k1teIStQr1A

History

Wed, 03 Dec 2025 19:15:00 +0000

Type	Values Removed	Values Added
References		https://github.com/SCADA-LTS/Scada-LTS/pull/2174 https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-26828
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Wed, 03 Dec 2025 18:30:00 +0000

Type	Values Removed	Values Added
Metrics		kev `{'dateAdded': '2025-12-03T00:00:00+00:00', 'dueDate': '2025-12-24T00:00:00+00:00'}`

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-06-11T11:10:58.000Z

Updated: 2025-12-03T19:01:39.320Z

Reserved: 2021-02-05T00:00:00.000Z

Link: CVE-2021-26828

Vulnrichment

Updated: 2024-08-03T20:33:41.301Z

NVD

Status : Modified

Published: 2021-06-11T12:15:12.017

Modified: 2025-12-03T19:15:54.440

Link: CVE-2021-26828

Redhat

No data.

OpenCVE Enrichment

No data.

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