CVE-2021-2198 in Knowledge Management
Summary
by MITRE • 04/23/2021
Vulnerability in the Oracle Knowledge Management product of Oracle E-Business Suite (component: Setup, Admin). Supported versions that are affected are 12.1.1-12.1.3 and 12.2.3-12.2.10. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Knowledge Management. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Knowledge Management, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Knowledge Management accessible data as well as unauthorized update, insert or delete access to some of Oracle Knowledge Management accessible data. CVSS 3.1 Base Score 8.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N).
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Analysis
by VulDB Data Team • 04/28/2021
The vulnerability identified as CVE-2021-2198 represents a critical security flaw within Oracle Knowledge Management component of the Oracle E-Business Suite ecosystem. This vulnerability exists in specific version ranges including 12.1.1 through 12.1.3 and 12.2.3 through 12.2.10, making it a widespread concern across multiple generations of Oracle EBS deployments. The vulnerability's classification as easily exploitable indicates that attackers can leverage it without requiring specialized skills or significant resources, posing a substantial risk to organizations relying on these systems.
The technical nature of this vulnerability stems from insufficient authentication mechanisms within the Oracle Knowledge Management module, specifically within the Setup and Administration components. The flaw allows unauthenticated attackers to access the system through HTTP network connections, bypassing normal security controls that should prevent unauthorized access. This represents a fundamental breakdown in the principle of least privilege and authentication controls that should protect sensitive business data within enterprise environments. The vulnerability's CVSS score of 8.2 reflects its high severity, with confidentiality and integrity impacts rated as high, indicating that successful exploitation could lead to complete data compromise or unauthorized modifications to critical information.
The operational impact of this vulnerability extends beyond the immediate Oracle Knowledge Management component, as the attack vector can significantly affect additional products within the Oracle EBS environment. This cascading effect occurs because Oracle Knowledge Management often integrates with other modules within the broader EBS suite, creating potential attack paths that could compromise multiple interconnected systems. The requirement for human interaction from a person other than the attacker suggests that while the initial exploitation may not be fully automated, social engineering or user interaction components may be necessary to complete the attack. This human factor introduces additional complexity to the threat landscape and highlights the importance of user awareness training alongside technical controls.
Organizations affected by this vulnerability face substantial risks including unauthorized access to critical business data, complete access to all Oracle Knowledge Management accessible data, and unauthorized update, insert, or delete operations on sensitive information. The confidentiality impact is rated as high, indicating potential exposure of proprietary business information, customer data, or strategic business documents. The integrity impact rating of low suggests that while data modification capabilities exist, the primary concern lies in unauthorized data access rather than data corruption. The security implications extend to potential regulatory compliance violations and business continuity impacts that could affect organizational operations and stakeholder trust.
Mitigation strategies should focus on immediate patching of affected Oracle EBS versions, implementing network segmentation to limit access to vulnerable systems, and deploying additional monitoring controls to detect unauthorized access attempts. Organizations should also consider implementing web application firewalls and access controls that can help prevent exploitation of this vulnerability. The ATT&CK framework categorizes this type of vulnerability under credential access and persistence tactics, emphasizing the need for layered security approaches that include both technical controls and administrative procedures. Additionally, organizations should conduct thorough vulnerability assessments to identify other potentially affected systems within their Oracle EBS environments and establish incident response procedures to address potential exploitation attempts. The CWE (Common Weakness Enumeration) classification for this type of vulnerability would fall under CWE-287, which addresses improper authentication issues, making it a critical priority for enterprise security teams to address through comprehensive remediation efforts.