CVE-2017-3314 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 12.0.0, 12.1.0 and 12.2.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle FLEXCUBE Universal Banking. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle FLEXCUBE Universal Banking, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle FLEXCUBE Universal Banking accessible data as well as unauthorized read access to a subset of Oracle FLEXCUBE Universal Banking accessible data. CVSS v3.0 Base Score 6.1 (Confidentiality and Integrity impacts).
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Analysis
by VulDB Data Team • 05/15/2026
The vulnerability identified as CVE-2017-3314 affects Oracle FLEXCUBE Universal Banking, a critical component within Oracle Financial Services Applications that serves as the core banking platform for financial institutions. This vulnerability exists within the Core subcomponent of the FLEXCUBE Universal Banking system and impacts specific versions 12.0.0, 12.1.0, and 12.2.0, representing a significant security weakness that exposes financial institutions to potential cyber threats. The vulnerability classification as easily exploitable indicates that attackers can leverage this flaw with minimal technical expertise, making it particularly dangerous for organizations that rely on this banking infrastructure.
The technical flaw manifests as a security weakness that allows unauthenticated attackers to compromise the Oracle FLEXCUBE Universal Banking system through HTTP network connections without requiring prior authentication credentials. This represents a fundamental failure in the application's access control mechanisms and authentication protocols, creating an entry point for malicious actors to gain unauthorized access to sensitive banking data. The vulnerability's impact extends beyond the immediate system, as successful exploitation can result in unauthorized modification, insertion, or deletion of critical financial data, alongside unauthorized read access to sensitive information within the system's data repositories.
The operational impact of this vulnerability is substantial, as it creates a pathway for attackers to manipulate financial records and potentially compromise the integrity of banking operations. The requirement for human interaction from individuals other than the attacker suggests that social engineering or insider threat vectors may be involved, though the primary attack vector remains network-based HTTP access. This vulnerability affects not only the targeted FLEXCUBE Universal Banking component but can also impact additional products within the Oracle Financial Services ecosystem, creating a cascading security risk that extends throughout the organization's financial infrastructure. The CVSS v3.0 base score of 6.1 indicates a medium severity threat with significant implications for both confidentiality and integrity, as attackers can access sensitive financial data and potentially alter transaction records.
Organizations should implement immediate mitigations including network segmentation to restrict access to the vulnerable FLEXCUBE Universal Banking components, deployment of web application firewalls to monitor and filter HTTP traffic, and implementation of robust authentication controls even for internal systems. The vulnerability aligns with CWE-287 which addresses improper authentication issues, and represents a potential ATT&CK technique under T1110 for credential access and T1078 for valid accounts usage. Regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in the broader Oracle Financial Services Applications ecosystem, while patch management procedures should be established to ensure timely updates to all affected versions. Organizations must also consider implementing additional monitoring controls to detect anomalous access patterns that could indicate exploitation attempts against this vulnerability.