CVE-2020-2723 in FLEXCUBE Investor Servicing
Summary
by MITRE
Vulnerability in the Oracle FLEXCUBE Investor Servicing product of Oracle Financial Services Applications (component: Infrastructure). Supported versions that are affected are 12.1.0-12.4.0 and 14.0.0-14.1.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle FLEXCUBE Investor Servicing. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle FLEXCUBE Investor Servicing accessible data as well as unauthorized update, insert or delete access to some of Oracle FLEXCUBE Investor Servicing accessible data. CVSS 3.0 Base Score 7.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N).
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Analysis
by VulDB Data Team • 03/22/2024
The vulnerability identified as CVE-2020-2723 resides within Oracle FLEXCUBE Investor Servicing, a critical component of Oracle Financial Services Applications that handles sophisticated financial data processing and investor services management. This vulnerability specifically affects the infrastructure layer of the application, making it particularly dangerous as it targets the foundational elements that support the entire financial services platform. The affected versions span across multiple release lines including 12.1.0 through 12.4.0 and 14.0.0 through 14.1.0, indicating this flaw has persisted across several major releases and represents a significant security gap in the financial services software ecosystem. The vulnerability's classification as easily exploitable means that attackers do not require advanced technical skills or extensive resources to leverage this weakness, making it particularly concerning for financial institutions that rely on this platform for their core operations.
The technical nature of this vulnerability allows a low privileged attacker with mere network access via HTTP to compromise the system, representing a substantial elevation in threat capabilities. This attack vector operates through the standard HTTP protocol, which means that the exploitation can occur through common web-based attack methods without requiring specialized tools or deep system knowledge. The CVSS 3.0 score of 7.1 reflects the severity of the impact, with a high confidentiality impact score indicating that successful exploitation could lead to unauthorized access to critical financial data, while the integrity impact score of 4.3 suggests that attackers could potentially modify or corrupt data within the system. The attack requires minimal complexity to execute, as indicated by the low access complexity rating, and does not require user interaction, making it particularly dangerous as it can be automated and deployed without direct human involvement.
The operational impact of this vulnerability extends far beyond simple data access, as successful exploitation could result in complete access to all accessible data within the Oracle FLEXCUBE Investor Servicing environment. This comprehensive access level means that threat actors could potentially view, modify, or delete sensitive financial information including investor records, transaction data, portfolio holdings, and other critical business information. The vulnerability's ability to enable unauthorized update, insert, or delete operations creates multiple attack pathways for data manipulation, allowing for both passive information theft and active data corruption. Financial institutions utilizing this platform face significant risks including regulatory compliance violations, financial losses, reputational damage, and potential legal consequences from data breaches that could affect thousands of investors and their financial holdings.
Organizations should implement immediate mitigation strategies focusing on network segmentation and access controls to limit exposure to this vulnerability. The recommended approach includes deploying web application firewalls to monitor and filter HTTP traffic, implementing strict authentication mechanisms, and conducting comprehensive network monitoring to detect suspicious activities. Security teams should prioritize patch management and apply Oracle's security patches as soon as they become available, while also reviewing and strengthening access controls to ensure that only authorized personnel can access the affected system components. The vulnerability aligns with CWE-287 which addresses improper authentication issues, and represents a significant concern under ATT&CK framework category T1190 for exploit public-facing application, highlighting the need for robust perimeter security measures and continuous vulnerability assessment programs to prevent exploitation attempts.