CVE-2018-2915 in Hyperion Data Relationship Management
Summary
by MITRE
Vulnerability in the Hyperion Data Relationship Management component of Oracle Hyperion (subcomponent: Access and security). The supported version that is affected is 11.1.2.4.330. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Hyperion Data Relationship Management. While the vulnerability is in Hyperion Data Relationship Management, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Hyperion Data Relationship Management accessible data. CVSS 3.0 Base Score 5.8 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N).
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 04/17/2023
The vulnerability identified as CVE-2018-2915 resides within Oracle Hyperion Data Relationship Management's access and security subsystem, specifically affecting version 11.1.2.4.330. This represents a critical security flaw that demonstrates how enterprise data management systems can harbor weaknesses allowing unauthorized access to sensitive business information. The vulnerability operates within the Hyperion Data Relationship Management framework, which serves as a crucial component for managing complex data relationships in enterprise environments, making it a prime target for cyber adversaries seeking to access corporate financial and operational data.
The technical nature of this vulnerability stems from insufficient authentication mechanisms within the Hyperion Data Relationship Management component, allowing attackers to bypass normal access controls without requiring valid credentials. The CVSS 3.0 score of 5.8 indicates a medium severity threat with a base vector showing network accessibility (AV:N), low attack complexity (AC:L), no privilege requirements (PR:N), and no user interaction needed (UI:N). The vulnerability's classification under CWE-287 (Improper Authentication) and its alignment with ATT&CK technique T1078 (Valid Accounts) demonstrates how attackers can leverage weak authentication to gain unauthorized access to enterprise data systems. The affected component specifically relates to the access and security subcomponent, suggesting that the flaw lies in how the system validates user credentials or manages session tokens.
The operational impact of this vulnerability extends beyond the immediate Hyperion Data Relationship Management system, potentially affecting interconnected enterprise applications and data repositories that rely on the same authentication infrastructure. An attacker exploiting this vulnerability can achieve unauthorized read access to a subset of accessible data, which could include sensitive financial information, operational metrics, or business intelligence data. The CVSS vector's classification of "Confidentiality impacts" (C:L) indicates that while the attack does not directly modify or destroy data, it allows for significant information disclosure that could compromise business operations, competitive positioning, and regulatory compliance. The scope classification of S:C suggests that the vulnerability's impact may extend beyond the immediate system to affect additional products within the enterprise ecosystem.
Organizations should implement immediate mitigations including network segmentation to limit access to the affected Hyperion components, deployment of web application firewalls to monitor and filter suspicious traffic patterns, and enforcement of strong authentication measures including multi-factor authentication for any remaining access points. The vulnerability's ease of exploitation underscores the importance of maintaining current security patches and conducting regular vulnerability assessments of enterprise applications. System administrators should also implement monitoring solutions to detect unusual access patterns that might indicate exploitation attempts, while security teams should review access controls and privilege assignments to minimize potential damage from successful attacks. The vulnerability serves as a reminder of the critical importance of maintaining secure authentication mechanisms in enterprise data management systems, particularly those handling sensitive business information.