CVE-2020-2730 in Financial Services Revenue Management
Summary
by MITRE
Vulnerability in the Oracle Financial Services Revenue Management and Billing product of Oracle Financial Services Applications (component: File Upload). Supported versions that are affected are 2.7.0.0, 2.7.0.1 and 2.8.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Financial Services Revenue Management and Billing. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Financial Services Revenue Management and Billing, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Financial Services Revenue Management and Billing accessible data as well as unauthorized read access to a subset of Oracle Financial Services Revenue Management and Billing accessible data. CVSS 3.0 Base Score 5.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N).
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 03/22/2024
The vulnerability identified as CVE-2020-2730 resides within Oracle Financial Services Revenue Management and Billing, a critical component of Oracle Financial Services Applications that handles revenue recognition and billing processes for financial institutions. This vulnerability specifically affects file upload functionality within the application, representing a significant security weakness that can be exploited by low-privileged attackers with network access through HTTP protocols. The affected versions include 2.7.0.0, 2.7.0.1, and 2.8.0.0, indicating this flaw has persisted across multiple releases of the software. The vulnerability's classification as easily exploitable means that attackers can leverage relatively simple attack vectors to compromise the system, making it particularly dangerous in enterprise environments where financial data is processed and stored.
The technical flaw manifests in the application's insufficient validation and sanitization of uploaded files, allowing malicious actors to potentially upload harmful content that can be executed within the application context. This weakness creates a pathway for unauthorized modification of data through update, insert, or delete operations against sensitive financial records. The vulnerability operates under the Common Weakness Enumeration framework as CWE-434, which specifically addresses insecure file upload vulnerabilities where applications accept and process untrusted files without proper validation. Attackers exploiting this vulnerability can gain unauthorized read access to portions of the financial data accessible through the application, potentially exposing sensitive revenue information, billing records, and customer financial details. The CVSS 3.0 base score of 5.4 reflects the moderate severity impact, with confidentiality and integrity being the primary affected areas, though the potential for data compromise makes this vulnerability particularly concerning for financial institutions.
The operational impact of CVE-2020-2730 extends beyond the immediate application, as successful exploitation can affect additional products within the Oracle Financial Services ecosystem. This cascading effect occurs because financial services applications often integrate with other systems through shared data repositories, common databases, or unified authentication mechanisms. The requirement for human interaction from a person other than the attacker indicates that social engineering or targeted phishing campaigns may be necessary to initially compromise the system, though once the initial access is achieved, the vulnerability allows for continued unauthorized operations. This characteristic places additional emphasis on user awareness training and the implementation of robust access controls. The vulnerability's classification under the ATT&CK framework would likely fall under T1190 - Exploit Public-Facing Application, with potential lateral movement capabilities once initial compromise is achieved, making it a significant concern for organizations that rely on Oracle Financial Services applications for mission-critical revenue management processes.
Organizations should implement immediate mitigations including patching affected versions to the latest supported releases, implementing strict file validation controls that reject suspicious file types and extensions, and deploying network segmentation to limit access to the vulnerable application. Enhanced monitoring of file upload activities and user access patterns can help detect potential exploitation attempts. Additionally, organizations should conduct comprehensive security assessments of their financial services environments to identify similar vulnerabilities in other applications within their portfolio, as the underlying architectural weaknesses that enable this vulnerability may exist in other components. Regular security awareness training for personnel who interact with financial applications should emphasize the risks of social engineering attacks that could facilitate initial compromise, while implementing multi-factor authentication and least privilege access controls can further reduce the attack surface and potential impact of successful exploitation attempts.