CVE-2021-26828

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.

CVSS v3 8.8 HIGH
CVSS v2.0 6.5 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

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

Configurations

Configuration 1 (hide)

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

History

03 Dec 2025, 19:15

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 -

Information

Published : 2021-06-11 12:15

Updated : 2025-12-03 19:15

NVD link : CVE-2021-26828

Mitre link : CVE-2021-26828

CVE.ORG link : CVE-2021-26828

JSON object : View

Products Affected

openplcproject

scadabr

CWE

CWE-434

Unrestricted Upload of File with Dangerous Type

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