CVE-2021-26828

Published Jun 11, 2021

Last updated 2 months ago

Overview

Description
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.
Source
cve@mitre.org
NVD status
Analyzed
Products
scadabr

Risk scores

CVSS 3.1

Type
Primary
Base score
8.8
Impact score
5.9
Exploitability score
2.8
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity
HIGH

CVSS 2.0

Type
Primary
Base score
6.5
Impact score
6.4
Exploitability score
8
Vector string
AV:N/AC:L/Au:S/C:P/I:P/A:P

Known exploits

Data from CISA

Vulnerability name
OpenPLC ScadaBR Unrestricted Upload of File with Dangerous Type Vulnerability
Exploit added on
Dec 3, 2025
Exploit action due
Dec 24, 2025
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Weaknesses

nvd@nist.gov
CWE-434
134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE-434

Social media

Hype score
Not currently trending

Configurations