Remote Code Execution Vulnerability in OpenPLC ScadaBR on Linux and Windows
CVE-2021-26828

8.8HIGH

Key Information:

Vendor: Openplcproject
Status: Scadabr
Vendor: CVE Published:; 11 June 2021

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Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 80%🦅 CISA Reported

What is CVE-2021-26828?

A vulnerability in OpenPLC ScadaBR allows authenticated remote users to upload and execute arbitrary JSP files via the view_edit.shtm interface. This flaw can potentially lead to unauthorized command execution, posing significant security risks for systems utilizing this software.

CISA has reported CVE-2021-26828

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed CVE-2021-26828 as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-26828_ScadaBR_RCE
Created by hev0x

CVE-2021-26828-Ultimate
Created by ridpath