CVE-2017-10023 in FLEXCUBE Private Banking
Summary
by MITRE
Vulnerability in the Oracle FLEXCUBE Private Banking component of Oracle Financial Services Applications (subcomponent: Operations). Supported versions that are affected are 2.0.0, 2.0.1, 2.2.0 and 12.0.1. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle FLEXCUBE Private Banking. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle FLEXCUBE Private Banking accessible data. CVSS 3.0 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 01/03/2021
The vulnerability identified as CVE-2017-10023 resides within Oracle FLEXCUBE Private Banking, a critical component of Oracle Financial Services Applications that serves as a foundational platform for private banking operations. This flaw specifically impacts versions 2.0.0, 2.0.1, 2.2.0, and 12.0.1 of the software, representing a significant security gap in financial services infrastructure. The vulnerability operates within the Operations subcomponent, which handles core banking functionalities including transaction processing, account management, and customer data handling. Given the sensitive nature of private banking systems, this represents a particularly concerning weakness that could expose confidential financial information to unauthorized parties.
The technical implementation of this vulnerability stems from inadequate access controls and authentication mechanisms within the HTTP interface of the FLEXCUBE Private Banking application. Attackers with low privilege levels can exploit this weakness through network-based HTTP connections, bypassing normal security protocols that should restrict access to sensitive data. The CVSS 3.0 scoring system rates this vulnerability as easily exploitable with a base score of 6.5, indicating a moderate to high risk level. The attack vector requires only network access via HTTP, making it particularly dangerous as it can be executed from remote locations without requiring physical access or specialized local privileges. The vulnerability's classification as a confidentiality impact issue means that successful exploitation would primarily enable unauthorized data access rather than system compromise or modification.
The operational impact of this vulnerability extends far beyond simple data exposure, potentially allowing attackers to access all data accessible through the Oracle FLEXCUBE Private Banking system. This encompasses sensitive customer information, transaction histories, account balances, and other confidential financial data that private banking customers expect to be protected. The risk of unauthorized access to critical data represents a severe threat to financial institutions' regulatory compliance, customer trust, and operational integrity. Organizations relying on these systems face potential regulatory penalties, financial losses, and reputational damage should this vulnerability be successfully exploited. The vulnerability's ability to grant complete access to all accessible data makes it particularly dangerous for institutions handling high-value private banking accounts and sensitive financial information.
Organizations should implement immediate mitigations including applying the relevant Oracle patches and security updates released to address this vulnerability. Network segmentation and access control measures should be strengthened to limit HTTP access to only authorized personnel and systems. The implementation of additional authentication layers and monitoring systems can help detect unauthorized access attempts. Security teams should conduct thorough vulnerability assessments to identify any additional weaknesses in their FLEXCUBE implementations and ensure proper configuration management. According to CWE guidelines, this vulnerability aligns with CWE-287 which addresses improper authentication issues, while ATT&CK framework categorizes this under initial access techniques involving network service exploitation and credential compromise. Regular security audits and penetration testing should be conducted to verify that the implemented mitigations are effective and to identify any other potential attack vectors within the financial services infrastructure.