CVE-2009-4185 in System Management Homepage
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in proxy/smhui/getuiinfo in HP System Management Homepage (SMH) before 6.0 allows remote attackers to inject arbitrary web script or HTML via the servercert parameter.
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Analysis
by VulDB Data Team • 04/30/2026
The vulnerability identified as CVE-2009-4185 represents a critical cross-site scripting flaw within HP System Management Homepage version 5.0 and earlier, specifically affecting the proxy/smhui/getuiinfo component. This weakness enables remote attackers to execute malicious web scripts or HTML code through manipulation of the servercert parameter, fundamentally compromising the security integrity of the system management interface. The vulnerability resides in the improper handling of user-supplied input within the web application's proxy functionality, creating an avenue for persistent malicious code execution that can persist across user sessions and potentially escalate to more severe security breaches.
The technical implementation of this vulnerability stems from insufficient input validation and output encoding mechanisms within the HP SMH application's proxy module. When the servercert parameter is processed without adequate sanitization, the application fails to properly escape or filter special characters that could be interpreted as HTML or JavaScript code. This weakness aligns with CWE-79, which specifically addresses cross-site scripting vulnerabilities resulting from inadequate input validation and output encoding. The flaw operates at the application layer where user input directly influences the generation of dynamic web content, making it particularly dangerous as it allows attackers to inject malicious payloads that execute in the context of other users' browsers.
The operational impact of this vulnerability extends beyond simple script injection, as it provides attackers with the capability to perform session hijacking, steal sensitive information, and potentially escalate privileges within the managed environment. An attacker could craft malicious URLs containing embedded scripts that would execute whenever a victim accesses the compromised system management interface, leading to unauthorized access to system configuration data, user credentials, and potentially full system compromise. The vulnerability affects the entire HP SMH ecosystem, including but not limited to server management capabilities, user authentication mechanisms, and system monitoring functions, creating widespread security implications for organizations relying on HP's system management infrastructure.
Mitigation strategies for CVE-2009-4185 should prioritize immediate patch deployment for HP SMH version 6.0 and later, as this represents the most effective defense against exploitation. Organizations must implement comprehensive input validation mechanisms that sanitize all user-supplied data, particularly parameters used in dynamic content generation. The implementation of Content Security Policy headers and proper output encoding techniques can serve as additional defensive measures to prevent script execution in browser contexts. Security teams should also conduct regular vulnerability assessments targeting web application interfaces, monitor for anomalous network traffic patterns, and maintain up-to-date threat intelligence to identify potential exploitation attempts. The vulnerability demonstrates the critical importance of secure coding practices and input validation in enterprise management systems, aligning with ATT&CK technique T1566 which covers the exploitation of web application vulnerabilities for initial access and privilege escalation within target environments.