CVE-2020-7915 in 5P 850
Summary
by MITRE
An issue was discovered on Eaton 5P 850 devices. The Ubicacion SAI field allows XSS attacks by an administrator.
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Analysis
by VulDB Data Team • 03/25/2024
The vulnerability identified as CVE-2020-7915 affects Eaton 5P 850 devices, specifically targeting the Ubicacion SAI field within the device's web interface. This represents a critical cross-site scripting vulnerability that enables authenticated attackers with administrative privileges to inject malicious scripts into the device's configuration interface. The flaw resides in how the system processes and renders user-supplied input within the Ubicacion SAI field, failing to properly sanitize or escape special characters that could be interpreted as executable code by web browsers. This vulnerability falls under CWE-79 which specifically addresses cross-site scripting flaws in web applications, where insufficient input validation allows malicious code execution in the context of the victim's browser session. The affected Eaton 5P 850 devices are commonly used in enterprise environments for power management and monitoring, making this vulnerability particularly concerning for organizations relying on these systems for critical infrastructure protection.
The technical exploitation of this vulnerability requires an attacker to possess administrative credentials, which significantly reduces the attack surface but does not eliminate the risk entirely. Once authenticated, an attacker can manipulate the Ubicacion SAI field to inject malicious JavaScript code that will execute whenever the affected page is loaded or when the field content is rendered. This could enable attackers to steal session cookies, perform unauthorized actions on behalf of the administrator, or redirect users to malicious sites. The attack vector aligns with ATT&CK technique T1059.007 for Command and Scripting Interpreter, specifically targeting web-based scripting environments. The vulnerability's impact extends beyond simple data theft as it could potentially allow attackers to escalate privileges further within the network, especially if the device's administrative interface provides access to other network resources or systems. The lack of proper input validation in this field means that even seemingly benign input could contain malicious payloads that bypass standard security controls.
The operational impact of CVE-2020-7915 is significant for organizations utilizing Eaton 5P 850 devices in their power infrastructure management systems. These devices typically serve as critical components in data center power distribution units, where unauthorized access could lead to service disruptions, power outages, or compromise of the broader network infrastructure. The vulnerability's presence in the Ubicacion SAI field suggests that it affects device location or identification information, which could be leveraged to gain deeper insights into the organization's power infrastructure layout. From a security posture perspective, this vulnerability represents a serious concern for compliance requirements such as those outlined in NIST SP 800-53, which mandates proper input validation and output encoding to prevent code injection attacks. Organizations may find that this vulnerability affects their ability to meet security standards for critical infrastructure protection, particularly in regulated environments where power system reliability and security are paramount. The risk is further compounded by the fact that many organizations may not regularly update their power management equipment, leaving legacy systems vulnerable to known exploits.
Mitigation strategies for CVE-2020-7915 should focus on immediate remediation through firmware updates provided by Eaton, as well as implementing additional network-level protections. Organizations should ensure that administrative access to these devices is restricted through network segmentation, multi-factor authentication, and least privilege access controls to minimize the potential impact of exploitation. Network monitoring should be enhanced to detect anomalous behavior in device management interfaces, and regular security assessments should be conducted to identify similar vulnerabilities in other networked devices. The implementation of web application firewalls and content security policies can provide additional protection layers, while regular patch management processes should be established to ensure timely deployment of security updates. From an ATT&CK perspective, organizations should consider implementing detection rules for suspicious input patterns in web interfaces and establish incident response procedures for handling potential exploitation attempts. The vulnerability underscores the importance of maintaining current firmware versions for all networked devices, particularly those in critical infrastructure environments where the consequences of exploitation could be severe.