CVE-2020-14696 in BI Publisher
Summary
by MITRE
Vulnerability in the Oracle BI Publisher product of Oracle Fusion Middleware (component: Layout Templates). Supported versions that are affected are 11.1.1.9.0, 12.2.1.3.0 and 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle BI Publisher. While the vulnerability is in Oracle BI Publisher, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle BI Publisher accessible data as well as unauthorized read access to a subset of Oracle BI Publisher accessible data. CVSS 3.1 Base Score 7.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N).
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Analysis
by VulDB Data Team • 11/01/2020
The vulnerability identified as CVE-2020-14696 resides within Oracle BI Publisher, a component of Oracle Fusion Middleware that handles layout templates for business intelligence reporting. This flaw affects specific versions including 11.1.1.9.0, 12.2.1.3.0, and 12.2.1.4.0, representing a significant security gap in enterprise reporting infrastructure. The vulnerability operates at the network level through HTTP protocols, making it accessible to any attacker with network connectivity to the affected system, which fundamentally undermines the security posture of organizations relying on this platform for critical business intelligence operations.
The technical nature of this vulnerability stems from insufficient authentication mechanisms within the layout template processing functionality of Oracle BI Publisher. Attackers can exploit this weakness without requiring any prior credentials or privileged access, creating an easily accessible attack vector that aligns with CWE-287 (Improper Authentication) and potentially CWE-312 (Sensitive Data Exposure). The vulnerability's classification as easily exploitable indicates that the attack surface is minimal and requires no specialized tools or deep technical knowledge to execute successfully, making it particularly dangerous in enterprise environments where such systems are often deployed without adequate network segmentation or monitoring controls.
The operational impact of this vulnerability extends beyond the immediate compromise of Oracle BI Publisher itself, as evidenced by the CVSS score of 7.2 which indicates high severity. Successful exploitation enables attackers to perform unauthorized data manipulation operations including updates, inserts, and deletions against the affected system's data repositories. Additionally, attackers can gain read access to sensitive data subsets, potentially exposing confidential business intelligence, financial reports, or operational metrics that organizations rely on for strategic decision making. The CVSS vector (AV:N/AC:L/PR:N/UI:N/S:C) demonstrates that the attack requires no user interaction and can be executed across a network, while the scope change (S:C) indicates that the compromise can affect additional products within the broader Oracle Fusion Middleware ecosystem, creating cascading security implications.
Organizations should implement immediate mitigations including network segmentation to restrict access to Oracle BI Publisher services, deployment of web application firewalls to monitor and filter HTTP traffic, and application-level access controls to limit exposure. The vulnerability's characteristics align with ATT&CK technique T1190 (Exploit Public-Facing Application) and T1071.004 (Application Layer Protocol: DNS), suggesting that traditional network perimeter defenses may be insufficient. Regular patching and vulnerability management programs should be prioritized, with particular attention to the affected Oracle Fusion Middleware versions. Security monitoring should focus on unusual HTTP requests targeting layout template endpoints, as these activities could indicate exploitation attempts. The CVSS score of 7.2 underscores the need for urgent remediation, as the combination of low attack complexity and high impact on both confidentiality and integrity creates a substantial risk for organizations handling sensitive business data through this platform.