Horizon Alert
Summary of the vulnerability and why it matters
Rockwell Automation's Allen-Bradley MicroLogix controllers are affected by a vulnerability related to weak password requirements. The flaw stems from the use of numeric passwords with a limited maximum character size. This could enable unauthorized access and potentially disrupt operations.
- Rockwell Automation MicroLogix controllers
- Numeric passwords have small maximum size
- Unauthorized access and operational disruption
Attack Path
How an attacker could exploit the issue
The identified vulnerability impacts Rockwell Automation Allen-Bradley programmable logic controllers. An attacker could exploit weak password requirements on these devices, which use numeric passwords with a limited character size. This could allow unauthorized access to the controller's functions.
- Network access required
- Attacker guesses password
- Unauthorized control achieved
Live Threat
Current exploitation, exposure, and threat context
This vulnerability affects Rockwell Automation Allen-Bradley MicroLogix programmable logic controllers. It stems from weak password requirements that allow for short, numeric passwords. An attacker with network access could potentially exploit this weakness to gain unauthorized control of the affected systems. The primary risk involves unauthorized access to and manipulation of industrial control processes, which could lead to operational disruptions or safety concerns.
- Likely attacker skill level: Basic
- Required access or conditions: Network access
- Business risk or urgency: Moderate
Priority actions
Operational Fix
Recommended remediation, mitigation, and detection steps
This vulnerability affects Rockwell Automation Allen-Bradley programmable logic controllers. The issue stems from weak password requirements, specifically a small maximum character size for numeric passwords. This could allow unauthorized access to these industrial control systems, posing a significant risk to operational integrity and data security.
- Identify affected controllers.
- Isolate controllers from network exposure.
- Apply vendor updates and verify.
- Monitor for related activity.
