CVE-2021-47770

OpenPLC 3 - Remote Code Execution

Published: Jan 21, 2026Updated: Jan 26, 2026 Sources: CVE List NVDCWE-94

8.8HIGH

Description

OpenPLC v3 contains an authenticated remote code execution vulnerability that allows attackers with valid credentials to inject malicious code through the hardware configuration interface. Attackers can upload a custom hardware layer with embedded reverse shell code that establishes a network connection to a specified IP and port, enabling remote command execution.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:LPrivileges Required

Low

UI:NUser Interaction

None

Scope

S:UScope

Unchanged

Impact

C:HConfidentiality

High

I:HIntegrity

High

A:HAvailability

High

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Weaknesses

CWE-94

Affected Products

Autonomy

commercial·USaka hewlett-packard autonomy

OpenPLCMixed

Enterprise Software / document-mgmt

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques

Execution

Initial Access

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References

https://github.com/thiagoralves/OpenPLC_v3

github.com

https://www.exploit-db.com/exploits/49803

exploit-db.com

https://www.openplcproject.com/

openplcproject.com

and 1 more references View all →

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