CVE-2016-8302 in FLEXCUBE Universal Banking
Summary
by MITRE
Vulnerability in the Oracle FLEXCUBE Universal Banking component of Oracle Financial Services Applications (subcomponent: Core). Supported versions that are affected are 11.3.0, 11.4.0, 12.0.1, 12.0.2, 12.0.3, 12.1.0 and 12.2.0. 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 read access to a subset of Oracle FLEXCUBE Universal Banking accessible data. CVSS v3.0 Base Score 4.3 (Confidentiality impacts).
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Analysis
by VulDB Data Team • 05/15/2026
The vulnerability identified as CVE-2016-8302 affects Oracle FLEXCUBE Universal Banking, a critical component within Oracle Financial Services Applications that serves as the core banking platform for financial institutions. This particular flaw resides within the Core subcomponent of the FLEXCUBE Universal Banking system and impacts multiple version releases including 11.3.0, 11.4.0, 12.0.1, 12.0.2, 12.0.3, 12.1.0, and 12.2.0. The vulnerability represents a significant security weakness that directly compromises the confidentiality aspect of the system's security posture according to the CVSS v3.0 scoring system which assigns a base score of 4.3. The affected system operates within the financial services sector where data integrity and confidentiality are paramount, making this vulnerability particularly concerning for institutions handling sensitive customer banking information.
This vulnerability manifests as an easily exploitable security flaw that allows low-privileged attackers to compromise the Oracle FLEXCUBE Universal Banking system through network-based HTTP access. The attack vector specifically leverages HTTP communication channels, indicating that the vulnerability does not require elevated privileges or specialized access methods to exploit. The technical nature of this flaw suggests a weakness in the authentication, authorization, or input validation mechanisms within the Core component of FLEXCUBE Universal Banking. Attackers can potentially bypass normal access controls through carefully crafted HTTP requests that exploit the underlying system architecture to gain unauthorized access to sensitive data within the banking platform.
The operational impact of this vulnerability extends beyond simple data exposure, as it enables unauthorized read access to a subset of data within the Oracle FLEXCUBE Universal Banking system. This means that malicious actors can potentially access confidential banking information, customer records, transaction details, and other sensitive data that should remain protected within the secure confines of the financial institution's banking infrastructure. The scope of affected data is described as a "subset" which indicates that while the vulnerability allows access to portions of the system, it may not provide complete system compromise, yet the potential for data leakage remains substantial. This type of vulnerability directly violates the principle of least privilege and can lead to significant financial and reputational damage for affected organizations.
From a cybersecurity perspective, this vulnerability aligns with CWE-284 (Improper Access Control) and represents a classic example of insufficient authorization checks within a web application framework. The ATT&CK framework would categorize this as a privilege escalation or credential access technique, specifically falling under the category of "Exploitation for Privilege Escalation" where attackers leverage weak access controls to gain unauthorized access to resources. Organizations should implement immediate mitigations including patching the affected versions of Oracle FLEXCUBE Universal Banking to the latest security releases, implementing network segmentation to limit HTTP access to the system, and strengthening authentication mechanisms. Additionally, monitoring network traffic for suspicious HTTP requests and implementing robust intrusion detection systems can help identify potential exploitation attempts. The vulnerability demonstrates the critical importance of maintaining up-to-date security patches in financial applications where the consequences of data breaches can extend far beyond typical business impacts to include regulatory penalties, customer trust loss, and significant financial liability.