CVE-2020-2887 in Customer Interaction History
Summary
by MITRE
Vulnerability in the Oracle Customer Interaction History product of Oracle E-Business Suite (component: Outcome-Result). Supported versions that are affected are 12.1.1-12.1.3 and 12.2.3-12.2.9. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Customer Interaction History. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Customer Interaction History accessible data. CVSS 3.0 Base Score 5.3 (Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N).
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Analysis
by VulDB Data Team • 05/21/2024
The vulnerability identified as CVE-2020-2887 resides within Oracle Customer Interaction History, a component of the Oracle E-Business Suite ecosystem. This particular flaw affects multiple version ranges including 12.1.1 through 12.1.3 and 12.2.3 through 12.2.9, representing a significant attack surface across various Oracle EBS deployments. The vulnerability operates within the Outcome-Result component, which typically manages customer interaction data and outcomes within the business suite. The security implications are particularly concerning given that this is an easily exploitable vulnerability that requires no authentication credentials from the attacker, making it accessible to any network entity capable of initiating HTTP requests against the target system.
The technical nature of this vulnerability stems from inadequate input validation and access control mechanisms within the Oracle Customer Interaction History component. Attackers can leverage this weakness through unauthenticated HTTP network access to perform unauthorized modifications to the system's data. The CVSS score of 5.3 with a base vector of AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N indicates that while the attack requires network access and has low complexity, it lacks user interaction requirements and does not impact confidentiality or availability. However, the integrity impact rating of low suggests that successful exploitation could allow attackers to update, insert, or delete data within the affected system, potentially compromising customer interaction records and business outcomes. This vulnerability aligns with CWE-284, which addresses improper access control, and represents a classic case of insufficient authorization checks within web applications.
The operational impact of CVE-2020-2887 extends beyond simple data manipulation as it can compromise the integrity of customer interaction histories that are critical for business operations and compliance requirements. Organizations utilizing Oracle E-Business Suite versions within the affected ranges face potential data corruption, unauthorized modifications to customer records, and possible disruption of business processes that depend on accurate interaction history data. The vulnerability's accessibility to unauthenticated attackers means that any system exposed to the internet without proper network segmentation or firewall controls could be compromised. This situation particularly affects enterprises that maintain their Oracle EBS installations in publicly accessible environments or those that lack robust network perimeter controls. The potential for unauthorized data modification could lead to significant business disruption, regulatory compliance issues, and damage to customer relationships.
Organizations should implement immediate mitigations including applying the relevant Oracle security patches released as part of their quarterly updates, implementing network segmentation to limit access to Oracle EBS components, and configuring proper firewall rules to restrict HTTP access to these systems. Additional protective measures involve deploying web application firewalls, monitoring network traffic for suspicious HTTP requests, and implementing robust access controls even for internal systems. The ATT&CK framework categorizes this vulnerability under initial access and privilege escalation techniques, with the attack pattern involving network-based exploitation of web applications. Organizations should also conduct comprehensive vulnerability assessments to identify all instances of affected Oracle EBS versions and ensure proper patch management processes are in place to prevent similar vulnerabilities from remaining unaddressed in the future. Regular security audits and penetration testing can help identify additional exposure points that may compound the risk associated with this vulnerability.