CVE-2021-26828

HighCVSS 8.8/10Known exploited (CISA KEV)Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-434

Affected software

No affected versions have been published.

Timeline

Published: Jun 11, 2021
Last modified: Jun 17, 2026
Added to CISA KEV: Dec 3, 2025
NVD status: Analyzed

Related CVEs from 2021

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