Progea Movicon Power HMI Vulnerabilities
Act NowICS-CERT ICSA-11-294-01Jul 24, 2011
Summary
Progea Movicon and PowerHMI contain a buffer overflow vulnerability (CWE-119) in versions 11.2.1085 and earlier. The vulnerability allows remote code execution on the HMI system. No security update has been released by the vendor, and these products are no longer supported.
What this means
What could happen
A buffer overflow vulnerability in Progea Movicon and PowerHMI could allow an attacker to execute arbitrary code on the HMI system, potentially leading to unauthorized control of industrial processes or shutdown of critical operations.
Who's at risk
This affects organizations running Progea Movicon or PowerHMI for visualization and control of energy production, water treatment, or manufacturing processes. Any facility relying on these HMI systems for real-time operational visibility and process control should treat this as a significant risk.
How it could be exploited
An attacker with network access to the HMI system could send a specially crafted request that triggers a buffer overflow in the application, allowing them to execute arbitrary commands with the privileges of the running service. This could be leveraged to modify process parameters, manipulate alarms, or halt operations.
Prerequisites
- Network access to the Progea Movicon or PowerHMI system
- Application must be running and accepting connections
remotely exploitableno authentication requiredno patch availablehigh EPSS score (57%)
Exploitability
High exploit probability (EPSS 57.0%)
Affected products (2)
2 EOL
ProductAffected VersionsFix Status
Progea Movicon: <=11.2.1085.3≤ 11.2.1085.3No fix (EOL)
Progea Movicon PowerHMI: <=11.2.1085≤ 11.2.1085No fix (EOL)
Remediation & Mitigation
0/3
Do now
0/1HARDENINGIsolate affected Movicon and PowerHMI systems from untrusted networks using network segmentation or firewall rules to restrict access to authorized engineering workstations and control networks only
Mitigations - no patch available
0/2The following products have reached End of Life with no planned fix: Progea Movicon: <=11.2.1085.3, Progea Movicon PowerHMI: <=11.2.1085. Apply the following compensating controls:
HARDENINGImplement network monitoring and intrusion detection on the network segment containing Movicon/PowerHMI systems to detect exploitation attempts
HARDENINGEvaluate upgrade or replacement options for Movicon and PowerHMI systems, as no vendor patch is available for these end-of-life products
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