CVE-2020-2719 in Banking Corporate Lending
Summary
by MITRE
Vulnerability in the Oracle Banking Corporate Lending product of Oracle Financial Services Applications (component: Core). Supported versions that are affected are 12.3.0-12.4.0 and 14.0.0-14.3.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Banking Corporate Lending. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Banking Corporate Lending accessible data. CVSS 3.0 Base Score 4.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N).
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Analysis
by VulDB Data Team • 03/22/2024
The vulnerability identified as CVE-2020-2719 resides within Oracle Financial Services Applications' Banking Corporate Lending product, specifically within the Core component of this financial services suite. This weakness affects multiple version ranges including 12.3.0 through 12.4.0 and 14.0.0 through 14.3.0, representing a significant portion of the product's supported releases. The vulnerability's classification as easily exploitable indicates that attackers can readily leverage this flaw without requiring extensive technical expertise or specialized tools. The attack vector requires only network access via HTTP protocols, making it particularly concerning for financial institutions that maintain extensive network exposure. The low privilege requirement for exploitation means that even users with minimal access rights could potentially compromise the system, creating a substantial security risk for organizations relying on this banking application.
The technical nature of this vulnerability manifests as an insufficient authorization mechanism that allows attackers to bypass normal access controls and gain unauthorized read access to sensitive data within the Oracle Banking Corporate Lending system. This flaw operates at the application level rather than at the network or infrastructure layer, making it particularly difficult to detect through traditional network monitoring approaches. The vulnerability's CVSS 3.0 base score of 4.3 reflects the moderate severity of the confidentiality impact, indicating that while the primary damage involves unauthorized data reading, the potential for broader system compromise remains possible. The attack requires minimal complexity to execute and can be performed without requiring user interaction, making it particularly dangerous as it can be automated and deployed at scale. The vulnerability's impact is limited to read access rather than write or execute capabilities, but the confidentiality breach can still result in significant financial and operational damage for affected organizations.
The operational impact of CVE-2020-2719 extends beyond simple data exposure, potentially affecting critical business operations within financial institutions that rely on accurate and secure lending data. Organizations using affected versions of Oracle Banking Corporate Lending may experience unauthorized access to sensitive customer information, loan details, credit assessments, and other proprietary financial data that forms the foundation of their lending operations. This unauthorized access could enable financial fraud, competitive intelligence gathering, and regulatory compliance violations that may result in substantial financial penalties and reputational damage. The vulnerability's presence in multiple version ranges suggests that organizations may have been exposed for extended periods, potentially allowing attackers to establish persistent access patterns before detection. Financial services institutions typically handle highly sensitive data that requires strict access controls and audit trails, making this authorization bypass particularly concerning for compliance with regulatory frameworks such as SOX and PCI DSS.
Organizations should prioritize immediate remediation through Oracle's official security patches and updates to address CVE-2020-2719. The vulnerability's classification under CWE-284 (Improper Access Control) aligns with common attack patterns documented in the MITRE ATT&CK framework, specifically within the privilege escalation and credential access domains. Security teams should implement network segmentation to limit access to affected systems and deploy enhanced monitoring for unusual HTTP traffic patterns that might indicate exploitation attempts. The CVSS vector analysis indicates that while the attack requires network access and low privileges, the potential for unauthorized data reading makes this vulnerability a high-priority concern for financial services organizations. Organizations should also conduct comprehensive vulnerability assessments to identify any other systems running affected versions of Oracle Financial Services Applications and ensure proper access controls are implemented. The attack surface for this vulnerability extends beyond direct system access to include potential data exfiltration through automated tools that could be deployed by attackers. Regular security assessments and continuous monitoring of access logs should be implemented to detect any unauthorized access attempts that might indicate exploitation of this vulnerability.