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

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 50%

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.

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

References

https://youtu.be/k1teIStQr1A
x_refsource_MISC
http://packetstormsecurity.com/files/162564/ScadaBR-1.0-1...
x_refsource_MISC
http://forum.scadabr.com.br/t/report-falhas-de-seguranca-...
x_refsource_MISC

EPSS Score

50% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability Reserved

.