CVE-2025-12768 in FactoryTalk Historian Machine Edition
Summary
by MITRE • 09/01/2026
A security issue exists within FactoryTalk® Historian Machine Edition. An attacker with low-level authentication could exploit this vulnerability to achieve remote code execution on the affected device.
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Analysis
by VulDB Data Team • 09/01/2026
The identified vulnerability in Rockwell Automation's FactoryTalk Historian Machine Edition represents a critical risk to industrial control systems and operational technology environments. This specific flaw allows an adversary who has already obtained low-level authentication credentials to escalate privileges or directly execute arbitrary code remotely on the targeted system. In modern industrial networks, where legacy protocols often lack robust encryption and strong access controls, the existence of such a vulnerability significantly lowers the barrier for entry for attackers seeking to compromise critical infrastructure components. The ability to achieve remote code execution from a low-privilege account indicates that the application fails to properly enforce separation between user roles or inadequately validates inputs received through authenticated sessions, creating a pathway for lateral movement and deeper system penetration within the OT network segment.
From a technical perspective, this vulnerability likely stems from improper validation of data structures or command parameters processed by the historian service after authentication has been established. While low-level access might seem limited in scope, many industrial applications grant these accounts sufficient permissions to interact with core database engines, file systems, or system APIs that can be manipulated to trigger buffer overflows, injection attacks, or unsafe deserialization processes. The exploitation of this flaw does not require physical proximity to the device nor high-level administrative rights initially, making it particularly dangerous in scenarios where default credentials are used or when network segmentation is poorly implemented. Once code execution is achieved, an attacker can install backdoors, exfiltrate historical process data, modify control logic, or disrupt production operations by manipulating the historian's ability to record and retrieve critical operational metrics.
The operational impact of this vulnerability extends beyond simple system compromise to include severe risks to business continuity and safety. FactoryTalk Historian Machine Edition serves as a central repository for time-series data from PLCs, DCSs, and other field devices. Compromising this component can lead to the corruption or deletion of historical records essential for forensic analysis, regulatory compliance, and process optimization. Furthermore, if an attacker gains control over the historian server, they may use it as a pivot point to attack connected SCADA systems or engineering workstations that trust data from the historian. This could result in unauthorized changes to setpoints, alarms, or logic routines, potentially leading to unsafe operating conditions, equipment damage, or environmental hazards depending on the specific industrial process being monitored and controlled by the affected system.
To mitigate this risk, organizations must implement a multi-layered defense strategy aligned with industry standards such as IEC 62443 for security in automation and control systems. Immediate remediation involves applying the latest vendor-provided patches to update FactoryTalk Historian Machine Edition to versions that address these authentication and execution flaws. Network segmentation is critical; historian servers should reside on isolated VLANs accessible only by authorized engineering stations, SCADA HMIs, and specific database clients, with strict firewall rules preventing direct internet exposure or access from untrusted corporate network segments. Additionally, enforcing the principle of least privilege ensures that low-level accounts are restricted to read-only operations where possible, reducing the attack surface for exploitation. Regular vulnerability assessments and penetration testing focused on OT environments can help identify similar weaknesses before they are exploited by malicious actors targeting critical infrastructure assets under frameworks like MITRE ATT&CK for ICS, specifically mapping this behavior to techniques involving initial access via compromised credentials and subsequent execution of remote commands.