CVE-2020-14880 in BI Publisher
Summary
by MITRE • 10/21/2020
Vulnerability in the BI Publisher product of Oracle Fusion Middleware (component: E-Business Suite - XDO). Supported versions that are affected are 5.5.0.0.0, 11.1.1.9.0, 12.2.1.3.0 and 12.2.1.4.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise BI Publisher. While the vulnerability is in BI Publisher, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all BI Publisher accessible data as well as unauthorized update, insert or delete access to some of BI Publisher accessible data. CVSS 3.1 Base Score 8.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N).
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Analysis
by VulDB Data Team • 11/24/2020
The vulnerability identified as CVE-2020-14880 represents a critical security flaw within Oracle Fusion Middleware's BI Publisher component, specifically affecting the E-Business Suite XDO module. This vulnerability exists in multiple version streams including 5.5.0.0.0, 11.1.1.9.0, 12.2.1.3.0, and 12.2.1.4.0, indicating a widespread impact across Oracle's Fusion Middleware ecosystem. The flaw manifests as an easily exploitable security weakness that can be leveraged by low-privileged attackers who possess network access through HTTP protocols, making it particularly dangerous in enterprise environments where such access patterns are common.
The technical nature of this vulnerability stems from insufficient input validation and access control mechanisms within the BI Publisher application. Attackers can exploit this weakness to gain unauthorized access to sensitive data and potentially modify or delete information within the system. The CVSS 3.1 scoring of 8.5 reflects the severity of the impact, with a high confidentiality score indicating potential exposure of critical business data and a moderate integrity score suggesting the ability to perform unauthorized data modifications. The vulnerability's classification as having low attack complexity and requiring only local privileges makes it particularly concerning for organizations with less stringent network security controls.
The operational impact of CVE-2020-14880 extends beyond the immediate BI Publisher environment, as successful exploitation can lead to cascading effects across interconnected Oracle Fusion Middleware products. This interconnectedness aligns with ATT&CK framework concept of privilege escalation and lateral movement, where initial access to one component can be leveraged to access additional systems. The vulnerability's potential to grant complete access to all BI Publisher accessible data while also enabling unauthorized update, insert, or delete operations creates significant risk for data integrity and business continuity. Organizations utilizing Oracle Fusion Middleware solutions face substantial exposure to financial loss, regulatory violations, and reputational damage if this vulnerability remains unaddressed.
Security mitigations for CVE-2020-14880 should prioritize immediate patch deployment from Oracle, following the vendor's security advisory guidance for affected versions. Network segmentation and access controls should be implemented to limit HTTP access to the BI Publisher component, while monitoring systems should be configured to detect unusual access patterns or data modification activities. The vulnerability's characteristics align with CWE-284 (Improper Access Control) and CWE-352 (Cross-Site Request Forgery) categories, emphasizing the need for comprehensive access control mechanisms and input validation. Organizations should also implement regular security assessments and vulnerability scanning to identify similar weaknesses in their Oracle Fusion Middleware deployments, ensuring compliance with industry standards such as ISO 27001 and NIST cybersecurity frameworks.