CVE-2017-3245 in FLEXCUBE Direct Banking
Summary
by MITRE
Vulnerability in the Oracle FLEXCUBE Direct Banking component of Oracle Financial Services Applications (subcomponent: Pre-Login). Supported versions that are affected are 12.0.2 and 12.0.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle FLEXCUBE Direct Banking. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle FLEXCUBE Direct Banking, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle FLEXCUBE Direct Banking accessible data. CVSS v3.0 Base Score 4.7 (Confidentiality impacts).
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Analysis
by VulDB Data Team • 05/15/2026
The vulnerability identified as CVE-2017-3245 resides within Oracle FLEXCUBE Direct Banking component, specifically within the Pre-Login subcomponent of Oracle Financial Services Applications. This security flaw affects versions 12.0.2 and 12.0.3, representing a significant concern for financial institutions utilizing this banking platform. The vulnerability operates at the application layer and presents an easily exploitable condition that allows unauthenticated attackers to compromise the system through HTTP network connections. The attack vector requires minimal privileges and can be executed without prior authentication, making it particularly dangerous for financial organizations that rely on robust security controls.
The technical nature of this vulnerability stems from inadequate authentication mechanisms during the pre-login phase of the FLEXCUBE Direct Banking application. This weakness enables attackers to access sensitive data without proper authorization, potentially compromising the confidentiality of information within the system. The vulnerability's classification as CVSS v3.0 Base Score 4.7 indicates a moderate severity level, though the impact on financial data confidentiality remains significant. The flaw operates through HTTP protocols, making it accessible over standard network connections without requiring specialized tools or deep technical knowledge to exploit.
The operational impact of this vulnerability extends beyond the immediate FLEXCUBE Direct Banking component, potentially affecting additional products within the Oracle Financial Services Applications suite. Successful exploitation allows attackers to gain unauthorized read access to a subset of accessible data, which could include customer information, transaction details, or other sensitive financial data. The requirement for human interaction from individuals other than the attacker suggests that social engineering or insider threats may be leveraged to facilitate the attack, adding another dimension to the security risk. This vulnerability represents a critical gap in the application's security architecture, particularly concerning the pre-authentication phase where sensitive data should remain protected.
Organizations affected by this vulnerability should implement immediate mitigations including network segmentation to restrict access to the FLEXCUBE Direct Banking services, implementing additional authentication layers, and applying Oracle's security patches. The vulnerability aligns with CWE-287 which addresses improper authentication issues, and may be mapped to ATT&CK techniques involving credential access and privilege escalation. Organizations should also conduct comprehensive security assessments to identify potential secondary impacts on related systems and ensure that access controls are properly configured to prevent unauthorized data access during the pre-login phase. The remediation process should include thorough testing of security controls to ensure that the vulnerability is properly addressed without disrupting legitimate business operations.