CVE-2002-1529 in Superscout Email Filter
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in msgError.asp for the administrative web interface (STEMWADM) for SurfControl SuperScout Email Filter allows remote attackers to insert arbitrary script or HTML via the Reason parameter.
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Analysis
by VulDB Data Team • 09/05/2025
The vulnerability described in CVE-2002-1529 represents a classic cross-site scripting flaw within the administrative web interface of SurfControl SuperScout Email Filter's STEMWADM component. This security weakness resides in the msgError.asp script which processes error messages for the system's administrative console. The vulnerability specifically manifests when the application fails to properly sanitize user input passed through the Reason parameter, allowing malicious actors to inject arbitrary script code or HTML content directly into the web interface. This flaw exists within the context of a web-based administrative tool that manages email filtering policies and configurations, making it a critical target for attackers seeking to compromise the email security infrastructure.
The technical implementation of this vulnerability aligns with CWE-79 which categorizes cross-site scripting as a code injection flaw where untrusted data is directly incorporated into web pages without proper validation or encoding. The Reason parameter serves as the primary attack vector, accepting user-supplied data that flows directly into the HTML output without adequate sanitization measures. When an attacker crafts a malicious payload containing script tags or HTML elements and submits it through this parameter, the application processes and displays the content without proper escaping or encoding, thereby executing the injected code within the context of the victim's browser session. This particular implementation demonstrates a failure in input validation and output encoding practices that are fundamental to preventing XSS attacks.
The operational impact of this vulnerability extends beyond simple script execution, as it enables attackers to perform various malicious activities within the administrative interface. An attacker could potentially steal administrative session cookies, redirect users to malicious sites, modify administrative configurations, or even escalate privileges within the email filtering system. The vulnerability's presence in the administrative web interface makes it particularly dangerous since successful exploitation would grant unauthorized access to email filtering policies, user management controls, and potentially sensitive network configuration data. This could result in complete compromise of the email security infrastructure, allowing attackers to bypass email filtering rules, access protected content, or modify security policies to their advantage. The attack surface is further expanded by the fact that this vulnerability affects the administrative interface, which typically requires elevated privileges and contains sensitive operational controls.
Mitigation strategies for CVE-2002-1529 should focus on implementing proper input validation and output encoding mechanisms throughout the web application. The most effective immediate fix involves sanitizing all user-supplied input, particularly parameters like Reason, before they are processed or displayed in the web interface. This includes implementing strict validation of input formats and applying proper HTML encoding to all dynamic content rendered in web pages. Organizations should also consider implementing content security policies that prevent script execution in the administrative interface, along with regular security audits of web applications to identify similar input validation flaws. Additionally, network segmentation and access controls should be implemented to limit exposure of the administrative interface to trusted networks only, while regular patch management ensures that such vulnerabilities are addressed promptly through vendor-supplied security updates. The vulnerability demonstrates the importance of following secure coding practices and adhering to the principle of least privilege in administrative web interfaces as outlined in various security frameworks including those referenced in the ATT&CK framework for web application attacks.