CVE-2016-8299 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 low privileged attacker with network access via HTTP to compromise Oracle FLEXCUBE Universal Banking. 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 and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle FLEXCUBE Universal Banking. CVSS v3.0 Base Score 6.3 (Confidentiality, Integrity and Availability impacts).
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Analysis
by VulDB Data Team • 05/15/2026
The vulnerability identified as CVE-2016-8299 resides within Oracle FLEXCUBE Universal Banking, a critical component of Oracle Financial Services Applications that serves as the backbone for banking operations. This particular flaw manifests in the Core subcomponent of the FLEXCUBE Universal Banking system, affecting 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, making it a widespread concern across various operational environments. The vulnerability's classification as easily exploitable indicates that attackers with minimal privileges and network access can potentially compromise the system without requiring advanced technical skills or extensive reconnaissance.
The technical nature of this vulnerability stems from insufficient access controls within the HTTP interface of the FLEXCUBE Universal Banking component. Attackers with low privileged network access can exploit this weakness to gain unauthorized access to sensitive banking data and operations. The vulnerability specifically enables unauthorized update, insert, or delete operations against certain database elements accessible through the system, while also permitting unauthorized read access to a subset of available data. Additionally, successful exploitation can result in partial denial of service conditions that impact system availability. The CVSS v3.0 base score of 6.3 reflects the balanced impact across confidentiality, integrity, and availability domains, indicating a moderate to high risk level that requires immediate attention.
From an operational standpoint, this vulnerability presents significant risks to financial institutions relying on Oracle FLEXCUBE Universal Banking for their core banking operations. The ability to perform unauthorized data modifications creates potential for financial fraud, data corruption, and operational disruptions that could affect customer transactions and institutional reputation. The partial denial of service capability further compounds the risk by potentially disrupting banking services during critical operational periods. Organizations utilizing affected versions face exposure to both internal and external threats, as the vulnerability can be exploited remotely without requiring physical access to the network infrastructure.
Security professionals should prioritize immediate mitigation efforts including applying the relevant Oracle Critical Patch Updates (CPU) that address this specific vulnerability. Network segmentation and access control measures should be implemented to limit exposure of the affected components to untrusted networks. Regular security assessments and monitoring of system logs should be conducted to detect potential exploitation attempts. The vulnerability aligns with CWE-284 (Improper Access Control) and represents a significant concern under the ATT&CK framework category of Privilege Escalation and Credential Access. Organizations should also consider implementing additional security controls such as web application firewalls and intrusion detection systems to provide defense-in-depth against potential exploitation attempts.