CVE-2016-8313 in FLEXCUBE Private Banking
Summary
by MITRE
Vulnerability in the Oracle FLEXCUBE Private Banking component of Oracle Financial Services Applications (subcomponent: Product / Instrument Search). Supported versions that are affected are 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 require human interaction from a person other than the attacker and while the vulnerability is in Oracle FLEXCUBE Private Banking, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle FLEXCUBE Private Banking accessible data. CVSS v3.0 Base Score 4.1 (Confidentiality impacts).
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 05/15/2026
The vulnerability identified as CVE-2016-8313 resides within Oracle FLEXCUBE Private Banking, a critical component of Oracle Financial Services Applications designed for private banking operations. This security flaw specifically affects the Product/Instrument Search subcomponent and impacts versions 2.0.1, 2.2.0, and 12.0.1 of the software. The vulnerability classification as easily exploitable indicates that attackers can leverage this weakness with minimal technical expertise, making it particularly dangerous in production environments where such systems handle sensitive financial data. The CVSS v3.0 base score of 4.1 reflects a moderate severity level with particular emphasis on confidentiality impacts, suggesting that unauthorized data access represents the primary risk vector.
The technical implementation flaw manifests in the insufficient authorization controls within the Product/Instrument Search functionality, allowing low-privileged attackers to exploit HTTP network connections to gain unauthorized access to sensitive data within the Oracle FLEXCUBE Private Banking environment. This weakness demonstrates a clear breakdown in the principle of least privilege, where proper access controls fail to adequately restrict data access based on user roles and permissions. The vulnerability's design flaw likely stems from inadequate input validation and authentication checks within the search functionality, enabling attackers to manipulate query parameters or bypass standard access controls through crafted HTTP requests.
Operational impact assessment reveals that successful exploitation of this vulnerability can result in unauthorized read access to a subset of Oracle FLEXCUBE Private Banking accessible data, potentially exposing sensitive customer information, financial records, or business-critical data. The requirement for human interaction from individuals other than the attacker suggests that social engineering or targeted phishing attacks may be necessary to initially compromise the system, though once initiated, the vulnerability can lead to significant data exposure. The attack vector's network-based nature means that this vulnerability could be exploited from external network locations, potentially affecting organizations with less robust perimeter security measures. Organizations may experience cascading impacts as this vulnerability could potentially affect additional Oracle Financial Services products that share common components or architectural patterns, amplifying the overall security risk.
Mitigation strategies should focus on immediate patch application for affected versions, implementing robust network segmentation to limit access to the vulnerable component, and strengthening authentication mechanisms through multi-factor authentication where possible. Organizations should conduct comprehensive access control reviews to ensure that proper privilege levels are maintained for all users accessing the Product/Instrument Search functionality. Network monitoring should be enhanced to detect suspicious HTTP traffic patterns that may indicate exploitation attempts. The vulnerability aligns with CWE-285 (Improper Authorization) and represents a significant concern under ATT&CK technique T1078 (Valid Accounts) and T1046 (Network Service Scanning) as attackers may leverage compromised accounts or scan for vulnerable services to exploit this weakness. Regular security assessments and vulnerability scanning should be implemented to identify similar authorization flaws across the entire Oracle Financial Services Applications portfolio.