CVE-2017-10363 in FLEXCUBE Universal Banking
Summary
by MITRE
Vulnerability in the Oracle FLEXCUBE Universal Banking component of Oracle Financial Services Applications (subcomponent: Security). Supported versions that are affected are 11.3, 11.4.0, 12.0.1, 12.0.2, 12.0.3, 12.1.0, 12.2.0, 12.3.0 and 12.4.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle FLEXCUBE Universal Banking. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle FLEXCUBE Universal Banking accessible data as well as unauthorized update, insert or delete access to some of Oracle FLEXCUBE Universal Banking accessible data. Note: Contact Support for fixes. 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).
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 01/17/2021
The vulnerability identified as CVE-2017-10363 resides within Oracle FLEXCUBE Universal Banking, a comprehensive banking solution that forms part of Oracle Financial Services Applications. This security flaw specifically affects the Security subcomponent and impacts multiple versions including 11.3, 11.4.0, 12.0.1 through 12.4.0, representing a significant attack surface across the product lifecycle. The vulnerability operates at the application layer and demonstrates a critical weakness in the authentication and authorization mechanisms that protect sensitive financial data. The flaw enables attackers to exploit a path that was not properly secured, allowing unauthorized access to critical banking systems that house sensitive customer and financial information.
This vulnerability represents a privilege escalation issue that can be exploited by attackers with minimal technical expertise and network access via HTTP protocols. The CVSS 3.0 score of 7.1 indicates a high severity threat level, with the vector AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N clearly demonstrating the attack characteristics. The low attack complexity and limited privileges required for exploitation make this vulnerability particularly dangerous as it can be targeted by adversaries with basic network connectivity. The vulnerability allows attackers to potentially gain complete access to all accessible data within the FLEXCUBE environment, including sensitive financial records, customer information, and transaction details that are fundamental to banking operations.
The operational impact of this vulnerability extends beyond simple data theft to include complete system compromise and data manipulation capabilities. Successful exploitation can result in unauthorized update, insert, or delete operations against critical database elements, allowing attackers to alter transaction records, modify customer data, or manipulate financial systems. This presents a severe risk to financial institutions as it could enable fraud, data corruption, and unauthorized financial transactions that could devastate both institutional operations and customer trust. The vulnerability's potential for data integrity compromise makes it particularly dangerous as it could go undetected for extended periods, allowing attackers to systematically manipulate financial records without immediate detection.
Organizations affected by this vulnerability should immediately implement mitigations including network segmentation, firewall restrictions, and access controls to limit exposure. The recommended approach involves restricting HTTP access to the affected components and implementing additional authentication layers. According to CWE standards, this vulnerability aligns with CWE-287 which addresses improper authentication issues, and follows ATT&CK techniques related to privilege escalation and credential access. Security teams should prioritize patch management and implement monitoring solutions to detect anomalous access patterns that might indicate exploitation attempts. The vulnerability's classification under CVSS 3.0 reflects its significant impact on both confidentiality and integrity, requiring immediate attention from security operations teams to prevent potential financial loss and regulatory compliance violations that could result from unauthorized access to banking systems.