VULNERABILITY INTELLIGENCE

CVE-2021-26828

CVSS score8.8 HIGH

EPSS probability39.10%

CISA KEVKnown exploited vulnerability

Published2021-06-11

Last modified2026-06-17

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

Known Exploited Vulnerability

OpenPLC ScadaBR Unrestricted Upload of File with Dangerous Type Vulnerability

Vendor / product: OpenPLC / ScadaBR

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.

Weakness classification

CWE-434: Unrestricted Upload of File with Dangerous Type

Primary references

cve@mitre.org — Broken Link, Exploit, Vendor Advisory
cve@mitre.org — Exploit, Third Party Advisory
cve@mitre.org — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Broken Link, Exploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0 — Issue Tracking, Patch
134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource