CVE-2020-2563 in Hyperion Financial Close Management
Summary
by MITRE
Vulnerability in the Hyperion Financial Close Management product of Oracle Hyperion (component: Close Manager). The supported version that is affected is 11.1.2.4. Difficult to exploit vulnerability allows high privileged attacker with network access via HTTP to compromise Hyperion Financial Close Management. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Hyperion Financial Close Management accessible data. CVSS 3.0 Base Score 4.2 (Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:H/A:N).
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Analysis
by VulDB Data Team • 03/23/2024
The vulnerability identified as CVE-2020-2563 affects Oracle Hyperion Financial Close Management's Close Manager component, specifically impacting version 11.1.2.4. This represents a significant security weakness within enterprise financial management systems that handle sensitive corporate data and financial close processes. The vulnerability resides in the Hyperion Financial Close Management product suite, which is widely used by organizations for managing complex financial closing operations and reporting processes. The affected component processes user interactions and data modifications during the financial close cycle, making it a critical element in enterprise financial infrastructure.
This vulnerability manifests as a high-privilege access control flaw that can be exploited through network-based HTTP connections. The CVSS score of 4.2 indicates a moderate severity level, but the combination of high privileges required and human interaction needed creates a specific attack vector that organizations must carefully consider. The vulnerability's technical nature allows for unauthorized modification of critical data, which directly impacts the integrity of financial information systems. Attackers with network access can potentially compromise the entire system through this weakness, affecting all data accessible through the Hyperion Financial Close Management platform.
The operational impact of this vulnerability extends beyond simple data modification capabilities. Organizations using this software face potential exposure to unauthorized access that could disrupt financial close processes, compromise audit trails, and potentially lead to financial data manipulation. The requirement for human interaction suggests that social engineering or targeted attacks may be necessary to achieve successful exploitation, but this also means that the vulnerability can be leveraged through legitimate user interactions. This characteristic makes the threat more insidious as it can be exploited through seemingly normal business operations rather than through direct system compromise attempts.
Security practitioners should consider this vulnerability in relation to CWE-284, which addresses improper access control, and align it with ATT&CK techniques involving privilege escalation and credential compromise. The attack vector requires network access and high privileges, aligning with techniques such as network service scanning and credential access. Organizations should implement comprehensive monitoring of HTTP traffic to the affected system, conduct regular privilege reviews, and establish strict access controls for administrative functions. The human interaction component necessitates security awareness training to prevent social engineering attacks that could exploit this vulnerability.
Mitigation strategies should include immediate patching of the affected Oracle Hyperion Financial Close Management version 11.1.2.4, implementation of network segmentation to limit access to the affected system, and enhanced monitoring of administrative activities. Organizations should also consider implementing additional authentication controls, such as multi-factor authentication, for accessing the Close Manager component. Regular security assessments should be conducted to identify similar vulnerabilities in other components of the Hyperion suite, as this vulnerability demonstrates potential weaknesses in the overall security architecture of financial management systems. The integrity impact level indicates that organizations must prioritize protecting their financial data and maintaining audit controls to prevent unauthorized modifications that could compromise financial reporting accuracy.