CVE-2016-8320 in FLEXCUBE Enterprise Limits
Summary
by MITRE
Vulnerability in the Oracle FLEXCUBE Enterprise Limits and Collateral Management component of Oracle Financial Services Applications (subcomponent: Core). Supported versions that are affected are 12.0.0 and 12.0.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle FLEXCUBE Enterprise Limits and Collateral Management. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle FLEXCUBE Enterprise Limits and Collateral Management, 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 Enterprise Limits and Collateral Management accessible data as well as unauthorized read access to a subset of Oracle FLEXCUBE Enterprise Limits and Collateral Management 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-2016-8320 resides within Oracle FLEXCUBE Enterprise Limits and Collateral Management, a critical financial services application component that manages risk limits and collateral arrangements for financial institutions. This particular weakness affects versions 12.0.0 and 12.0.2 of the Oracle Financial Services Applications suite, representing a significant security gap that could be exploited by malicious actors seeking to compromise financial data integrity and confidentiality. The vulnerability operates within the Core subcomponent of the limits and collateral management system, making it particularly concerning given the sensitive nature of risk management data handled by this application.
This security flaw constitutes a web-based vulnerability that can be exploited through unauthenticated HTTP network access, eliminating the need for prior authentication credentials to initiate an attack. The vulnerability's classification as easily exploitable indicates that the attack surface is broad and accessible, requiring minimal technical expertise for successful exploitation. The attack vector specifically targets the HTTP protocol layer, suggesting that network-based reconnaissance and exploitation techniques could be employed without requiring physical access to the target environment. The CVSS v3.0 base score of 6.1 reflects the moderate severity of this vulnerability, with particular emphasis on both confidentiality and integrity impacts that align with common security principles outlined in the Common Weakness Enumeration framework under CWE-284.
The operational impact of this vulnerability extends beyond the immediate confines of the FLEXCUBE Enterprise Limits and Collateral Management system, as successful exploitation can potentially compromise additional products within the Oracle Financial Services Applications ecosystem. This cascading effect demonstrates the interconnected nature of financial applications and the potential for lateral movement within enterprise environments. Attackers could achieve unauthorized update, insert, or delete operations against sensitive data within the application, potentially altering critical risk parameters and collateral arrangements that directly impact financial institution operations. Additionally, unauthorized read access to subsets of accessible data provides attackers with the capability to extract sensitive information about financial exposures, customer risk profiles, and operational parameters that could be leveraged for further attacks or financial gain.
The requirement for human interaction from individuals other than the attacker suggests that social engineering or targeted phishing techniques may be employed to facilitate exploitation, potentially involving legitimate users who inadvertently trigger the vulnerability through specific interactions with the application. This aspect of the vulnerability aligns with ATT&CK framework concepts related to privilege escalation and initial access techniques, where user interaction serves as a critical enabler for successful compromise. Organizations utilizing affected versions of Oracle FLEXCUBE Enterprise Limits and Collateral Management should implement immediate mitigations including network segmentation, access controls, and monitoring of HTTP traffic to detect anomalous behavior. Regular security updates and patches should be prioritized to address this vulnerability, while comprehensive security awareness training for personnel interacting with financial applications can help reduce the risk of successful social engineering attacks that may exploit this weakness.