CVE-2016-8305 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 physical access to compromise Oracle FLEXCUBE Universal Banking. Successful attacks require human interaction from a person other than the attacker. 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 2.1 (Confidentiality impacts).
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Analysis
by VulDB Data Team • 05/15/2026
The vulnerability identified as CVE-2016-8305 affects Oracle FLEXCUBE Universal Banking, a critical component within Oracle Financial Services Applications that serves as the core banking platform for financial institutions worldwide. This particular weakness resides within the Core subcomponent of the FLEXCUBE Universal Banking system, impacting 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 concern for financial organizations that rely on this platform for their core banking operations, as it creates an attack vector that could potentially expose sensitive financial data to unauthorized access.
This vulnerability manifests as an easily exploitable weakness that specifically requires physical access to the system to be successfully leveraged, making it particularly concerning for organizations with inadequate physical security controls. The attack scenario necessitates human interaction from individuals other than the attacker, suggesting that social engineering or insider threat vectors may be involved in the exploitation process. The CVSS v3.0 base score of 2.1 indicates a low to medium severity classification, but this assessment should not diminish the potential impact on financial institutions, as the vulnerability specifically targets the confidentiality aspect of the information security triad. The weakness allows for unauthorized read access to a subset of data within the Oracle FLEXCUBE Universal Banking system, potentially exposing sensitive customer information, transaction records, or financial data that could be used for fraudulent activities or financial gain.
The operational impact of this vulnerability extends beyond simple data exposure, as financial institutions utilizing FLEXCUBE Universal Banking may face regulatory compliance challenges and reputational damage if sensitive data is compromised. The fact that this vulnerability requires physical access yet can be exploited through human interaction suggests potential attack vectors involving insiders or compromised employees who may have legitimate access to the systems. Organizations using affected versions of FLEXCUBE Universal Banking must consider the broader implications of this vulnerability within their overall security posture, particularly in environments where physical security controls may be insufficient or where insider threats are a concern. The vulnerability aligns with CWE-284, which addresses improper access control mechanisms, and represents a specific instance of inadequate privilege management or physical security controls within financial applications.
Mitigation strategies for CVE-2016-8305 should focus on strengthening both physical and logical access controls within the FLEXCUBE Universal Banking environment. Organizations should implement comprehensive access control policies that enforce the principle of least privilege and require multi-factor authentication for all system access. Regular security assessments should be conducted to identify potential insider threats and ensure that all users with physical access to the systems are properly vetted and monitored. The implementation of proper audit trails and monitoring mechanisms becomes crucial to detect unauthorized access attempts or data exfiltration activities. Additionally, organizations should consider upgrading to supported versions of Oracle FLEXCUBE Universal Banking that contain patches addressing this vulnerability, as continued use of unsupported versions exposes the organization to additional security risks. The ATT&CK framework would categorize this vulnerability under privilege escalation or credential access tactics, where attackers leverage physical access combined with social engineering to gain unauthorized data access. Financial institutions should also consider implementing data loss prevention solutions that can monitor for unusual data access patterns or unauthorized data transfers that might indicate exploitation of this vulnerability.