CVE-2021-2456 in Business Intelligence Enterprise Edition
Summary
by MITRE • 07/21/2021
Vulnerability in the Oracle Business Intelligence Enterprise Edition product of Oracle Fusion Middleware (component: Analytics Web General). The supported version that is affected is 12.2.1.4.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Business Intelligence Enterprise Edition. Successful attacks of this vulnerability can result in takeover of Oracle Business Intelligence Enterprise Edition. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 07/24/2021
The vulnerability identified as CVE-2021-2456 represents a critical security flaw within Oracle Business Intelligence Enterprise Edition, specifically within the Analytics Web General component of Oracle Fusion Middleware. This vulnerability affects version 12.2.1.4.0 and demonstrates the inherent risks associated with enterprise business intelligence platforms that handle sensitive organizational data. The flaw exists in the web application layer where authentication mechanisms fail to properly validate incoming requests, creating a pathway for malicious actors to bypass normal access controls. The vulnerability's classification as easily exploitable indicates that attackers require minimal technical expertise or resources to leverage this weakness effectively.
The technical nature of this vulnerability stems from insufficient input validation and authentication checks within the web server component. Attackers can exploit this weakness through unauthenticated HTTP requests that manipulate the application's processing logic, potentially allowing them to execute arbitrary code or gain full administrative control over the affected system. The CVSS score of 9.8 reflects the severity of impact across all three core security principles: confidentiality, integrity, and availability. This high score indicates that successful exploitation could lead to complete system compromise where attackers gain full control over the Oracle Business Intelligence Enterprise Edition environment, potentially accessing sensitive business data, modifying critical configurations, or disrupting operations entirely.
From an operational standpoint, the implications of this vulnerability extend beyond simple data theft to encompass complete system takeover capabilities that could devastate organizational operations. The unauthenticated nature of the attack means that any network-accessible system running the vulnerable version becomes immediately at risk without proper network segmentation or access controls. Organizations utilizing this business intelligence platform face significant exposure risks, particularly in environments where the system contains sensitive financial data, strategic business intelligence, or proprietary information. The vulnerability's impact is amplified by the fact that it affects the core analytics functionality that many enterprises rely upon for decision-making processes, potentially leading to both immediate operational disruption and long-term strategic disadvantages.
The attack surface for this vulnerability aligns with the ATT&CK framework's web application exploitation techniques, specifically targeting the web server component through HTTP-based attacks. Organizations should consider implementing network-level controls including firewalls, intrusion detection systems, and proper access controls to mitigate exposure. The vulnerability also relates to CWE-287, which addresses improper authentication issues in web applications, and demonstrates the critical importance of maintaining updated security patches across enterprise software platforms. Organizations must prioritize immediate remediation through Oracle's official security patches while implementing additional monitoring and access controls to reduce the risk of exploitation.
Security teams should conduct comprehensive assessments of their Oracle Business Intelligence Enterprise Edition deployments to identify all instances running the vulnerable version. The mitigation strategy should include immediate patch deployment, network segmentation to limit access to the affected system, and enhanced monitoring of HTTP traffic for suspicious patterns. Regular vulnerability assessments and penetration testing should be implemented to identify similar weaknesses in the broader enterprise application portfolio. Given the high CVSS score and the potential for complete system compromise, organizations cannot afford to delay remediation efforts and must treat this vulnerability as a critical priority in their cybersecurity posture.