CVE-2022-33859 in Foreseer EPMS
Summary
by MITRE • 10/28/2022
A security vulnerability was discovered in the Eaton Foreseer EPMS software. Foreseer EPMS connects an operation’s vast array of devices to assist in the reduction of energy consumption and avoid unplanned downtime caused by the failures of critical systems. A threat actor may upload arbitrary files using the file upload feature. This vulnerability is present in versions 4.x, 5.x, 6.x & 7.0 to 7.5. A new version (v7.6) containing the remediation has been made available by Eaton and a mitigation has been provided for the affected versions that are currently supported. Customers are advised to update the software to the latest version (v7.6). Foreseer EPMS versions 4.x, 5.x, 6.x are no longer supported by Eaton. Please refer to the End-of-Support notification https://www.eaton.com/en-us/catalog/services/foreseer/foreseer-legacy.html .
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Analysis
by VulDB Data Team • 11/26/2022
The CVE-2022-33859 vulnerability represents a critical file upload vulnerability within Eaton Foreseer EPMS software, a comprehensive energy management and predictive maintenance platform designed to monitor and optimize industrial operations. This software serves as a central hub connecting numerous devices across operational environments to reduce energy consumption and prevent unplanned downtime from critical system failures. The vulnerability exists within the file upload functionality that allows threat actors to execute arbitrary file uploads, potentially enabling remote code execution and complete system compromise. The affected versions span across the 4.x, 5.x, 6.x, and 7.0 through 7.5 release lines, with Eaton having addressed this issue in version 7.6 through a security patch. This vulnerability directly aligns with CWE-434, which describes insecure file upload vulnerabilities where applications accept files without proper validation, and can be categorized under ATT&CK technique T1190 for exploiting vulnerabilities in software applications. The operational context of Foreseer EPMS makes this particularly concerning as it typically operates in industrial control systems and critical infrastructure environments where security breaches can lead to significant operational disruptions and safety hazards.
The technical flaw manifests through improper input validation within the file upload mechanism of the Foreseer EPMS software, allowing authenticated attackers to upload malicious files without adequate security checks. This vulnerability essentially creates a backdoor for threat actors to establish persistent access to the system, potentially enabling them to execute arbitrary code, escalate privileges, or deploy additional malware. The flaw likely stems from insufficient validation of file types, extensions, or content, combined with inadequate sanitization of uploaded files before storage or execution. Attackers could leverage this vulnerability to upload web shells, malware, or other malicious payloads that would be executed within the context of the EPMS application, potentially compromising the entire network infrastructure. The vulnerability's presence in versions 4.x, 5.x, 6.x, and 7.0 through 7.5 indicates this was a widespread issue affecting multiple generations of the software, with Eaton's decision to discontinue support for older versions 4.x, 5.x, and 6.x demonstrating the severity of the risk and the necessity of immediate upgrade action.
The operational impact of CVE-2022-33859 extends far beyond simple data compromise, as the Foreseer EPMS software operates in critical industrial environments where energy management and predictive maintenance are essential for operational continuity. A successful exploitation could result in complete system compromise, leading to unauthorized access to energy consumption data, disruption of critical maintenance schedules, and potential physical safety hazards. The vulnerability creates a persistent threat vector that could allow attackers to maintain long-term access to industrial control systems, potentially enabling them to manipulate energy consumption patterns, disable predictive maintenance alerts, or even cause physical damage to equipment through strategic disruption of system operations. Organizations using affected versions face significant risk of operational disruption, regulatory compliance violations, and potential safety incidents in environments where the software controls critical infrastructure components. The industrial control systems environment makes this particularly dangerous as the attack surface often includes legacy systems with limited security capabilities and extended operational lifecycles.
Organizations must prioritize immediate remediation of CVE-2022-33859 through the mandatory upgrade to Eaton Foreseer EPMS version 7.6, which contains the appropriate security patches and mitigations. Eaton has provided specific guidance and mitigation strategies for currently supported versions, emphasizing that the older versions 4.x, 5.x, and 6.x are no longer supported and should not be used in production environments. The recommended approach includes comprehensive vulnerability assessment, immediate software upgrade to the latest version, and implementation of additional network security controls such as network segmentation and access controls to limit potential impact. Security teams should also conduct thorough audits of all systems running affected software versions to identify any potential compromise indicators and establish monitoring procedures to detect anomalous file upload activities. The vulnerability underscores the importance of maintaining up-to-date industrial control system software and highlights the risks associated with operating legacy systems in critical infrastructure environments where security vulnerabilities can have cascading effects on operational safety and business continuity. Organizations should also consider implementing automated patch management processes and regular security assessments to prevent similar vulnerabilities from remaining unaddressed in their operational environments.