CVE-2020-2724 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 read access to a subset of Oracle FLEXCUBE Investor Servicing accessible data. CVSS 3.0 Base Score 4.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N).
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Analysis
by VulDB Data Team • 03/22/2024
The vulnerability identified as CVE-2020-2724 affects Oracle FLEXCUBE Investor Servicing, a critical component within Oracle Financial Services Applications that handles investment servicing operations for financial institutions. This vulnerability resides in the infrastructure layer of the application and impacts multiple version ranges including 12.1.0 through 12.4.0 and 14.0.0 through 14.1.0, representing a substantial attack surface across different release cycles of the financial services platform. The affected product serves as a cornerstone for investment management and investor servicing operations, making it a prime target for malicious actors seeking financial data breaches.
The technical flaw manifests as an insufficient access control mechanism that permits low-privileged attackers to exploit the system through standard HTTP network connections without requiring elevated privileges or specialized tools. This vulnerability operates under the Common Weakness Enumeration framework as CWE-284, specifically addressing improper access control issues where the system fails to properly enforce authorization checks for resource access. The attack vector requires only network connectivity via HTTP, making it particularly dangerous as it can be exploited from external networks without the need for physical access or complex attack chains.
The operational impact of this vulnerability extends beyond simple data exposure, as it enables unauthorized read access to sensitive subsets of investor servicing data. This includes potentially confidential information related to investment accounts, portfolio holdings, transaction records, and other proprietary financial data that constitutes a significant portion of the system's valuable assets. The CVSS 3.0 score of 4.3 indicates a moderate severity level with confidentiality impacts, though the potential for cascading effects within financial institutions cannot be understated. The vulnerability's ease of exploitation means that even basic attackers with minimal technical skills can potentially compromise sensitive financial data, making it particularly concerning for organizations handling substantial investor information.
Organizations should implement immediate mitigations including network segmentation to restrict access to the affected application, enforcement of strict authentication mechanisms, and implementation of web application firewalls to monitor and filter HTTP traffic. The vulnerability aligns with ATT&CK technique T1071.004 for application layer protocol usage and T1566 for credential access through network-based attacks. Regular patch management and vulnerability assessments should be prioritized to address similar access control weaknesses, while comprehensive monitoring of HTTP traffic patterns can help detect anomalous access attempts. Financial institutions must also consider implementing data loss prevention measures and access logging to track unauthorized data access attempts and maintain compliance with regulatory requirements governing financial data protection.