CVE-2024-23786 in Energy Management Controller with Cloud Services
Summary
by MITRE • 02/14/2024
Cross-site scripting vulnerability in Energy Management Controller with Cloud Services JH-RVB1 /JH-RV11 Ver.B0.1.9.1 and earlier allows a network-adjacent unauthenticated attacker to execute an arbitrary script on the web browser of the user who is accessing the management page of the affected product.
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Analysis
by VulDB Data Team • 04/19/2025
This cross-site scripting vulnerability exists within the Energy Management Controller with Cloud Services model JH-RVB1 and JH-RV11 versions B0.1.9.1 and earlier. The flaw represents a critical security weakness that allows an attacker positioned within the same network segment to inject malicious scripts into the web interface of the affected device. The vulnerability stems from insufficient input validation and output encoding mechanisms within the web management console, which fails to properly sanitize user-supplied data before rendering it in the browser context. This specific weakness manifests when the device processes parameters or inputs from HTTP requests without adequate sanitization, creating an environment where attacker-controlled data can be executed as script code within the victim's browser session. The vulnerability is classified as a classic reflected cross-site scripting flaw according to CWE-79, which occurs when malicious data is reflected back to the user without proper encoding or validation. From an operational perspective, this vulnerability poses significant risk to industrial control systems and building management environments where these energy controllers are deployed. An attacker could exploit this weakness to steal session cookies, perform unauthorized administrative actions, or redirect users to malicious websites that could further compromise the network. The attack vector requires only network adjacency, meaning that an attacker does not need to be authenticated or have specialized privileges to exploit this vulnerability, making it particularly dangerous in environments where physical network access is possible. The impact extends beyond simple script execution as it can enable more sophisticated attacks such as credential theft or privilege escalation within the device management interface. According to ATT&CK framework, this vulnerability aligns with T1212 Exploitation for Credential Access and T1566 Impersonation, as it can be used to gain unauthorized access to the device management interface and potentially escalate privileges. The affected products operate in critical infrastructure environments where energy management systems control essential building functions, making the potential impact of exploitation significant. The vulnerability affects the web-based management interface of these controllers, which typically provides access to configuration settings, monitoring capabilities, and administrative functions. Attackers could leverage this weakness to inject malicious scripts that would execute in the context of authenticated users who access the management console, potentially leading to complete compromise of the device and its associated network segment. The root cause lies in the lack of proper input validation and output encoding mechanisms within the web application layer of these industrial devices. These controllers are commonly deployed in commercial buildings, data centers, and industrial facilities where they manage energy consumption and environmental controls, making them attractive targets for attackers seeking to disrupt operations or gain persistent access to critical infrastructure. Security professionals should note that this vulnerability is particularly concerning because it affects industrial control systems where traditional security measures may be less prevalent, and where the consequences of exploitation could extend beyond simple data theft to include operational disruption or safety hazards. The vulnerability exists in the web application layer of the device, suggesting that the implementation lacks proper security controls such as Content Security Policy headers, input sanitization routines, and output encoding mechanisms. Organizations should consider this vulnerability as part of their industrial cybersecurity posture assessment, particularly in environments where these devices are deployed. The lack of authentication requirements for exploitation means that any network-adjacent attacker can potentially compromise these devices, highlighting the need for network segmentation and access controls. Mitigation strategies should include immediate firmware updates, network segmentation to isolate these devices, implementation of web application firewalls, and regular security assessments of industrial control systems. The vulnerability represents a clear violation of security best practices in industrial device development and underscores the critical need for robust input validation and output encoding in all web-based interfaces of industrial equipment.