CVE-2020-5000 in Financial Transaction Manager
Summary
by MITRE • 06/16/2021
IBM Financial Transaction Manager 3.0.2 and 3.2.4 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 192952.
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Analysis
by VulDB Data Team • 05/03/2025
The vulnerability identified as CVE-2020-5000 affects IBM Financial Transaction Manager versions 3.0.2 and 3.2.4, representing a critical cross-site scripting flaw that undermines the security integrity of the web-based user interface. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is classified as a fundamental web application security weakness that enables attackers to inject malicious scripts into web pages viewed by other users. The flaw specifically resides in the application's web user interface where input validation mechanisms fail to properly sanitize user-supplied data before rendering it within the browser context. IBM Financial Transaction Manager is designed for financial institutions to process and manage transaction data, making this vulnerability particularly dangerous as it could be exploited to compromise sensitive financial information.
The technical exploitation of this cross-site scripting vulnerability occurs when authenticated users interact with the web interface and submit malicious JavaScript code through input fields or parameters that are not adequately filtered or escaped. When the application processes and displays this unvalidated input without proper sanitization, the embedded JavaScript executes within the context of the victim's browser session. This allows attackers to perform actions such as stealing session cookies, credentials, or other sensitive information that the authenticated user has access to within the trusted application environment. The attack vector typically involves crafting malicious payloads that exploit the application's failure to implement proper output encoding and input validation controls, which are essential defensive measures recommended by the OWASP Top Ten project and the ATT&CK framework under the T1059.007 technique for scripting languages.
The operational impact of this vulnerability extends beyond simple data theft, as it can lead to complete session hijacking and unauthorized access to financial transaction data within the trusted session context. Attackers could potentially modify transaction records, initiate fraudulent transfers, or gain elevated privileges within the financial system. The vulnerability's severity is amplified by the fact that it affects versions used in production financial environments where sensitive transaction data flows through the system. Organizations utilizing IBM Financial Transaction Manager are at risk of regulatory compliance violations, financial losses, and reputational damage if this vulnerability is exploited successfully. The attack scenario typically involves phishing campaigns or compromised user accounts where attackers leverage the XSS flaw to establish persistent access to financial systems.
Mitigation strategies for CVE-2020-5000 should include immediate patching of affected IBM Financial Transaction Manager versions to the latest security updates provided by IBM. Organizations should also implement comprehensive input validation and output encoding mechanisms throughout the application's web interface to prevent malicious script injection. The implementation of Content Security Policy headers and proper HTTPOnly flags for session cookies can significantly reduce the impact of successful XSS exploitation attempts. Network segmentation and monitoring solutions should be deployed to detect anomalous user behavior patterns that might indicate exploitation attempts. Additionally, regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other applications within the financial ecosystem. The vulnerability highlights the importance of maintaining up-to-date security practices and following the principle of least privilege in financial transaction systems, as recommended by NIST cybersecurity frameworks and the ATT&CK matrix's defensive techniques for preventing code injection attacks.