CVE-2020-2863 in Advanced Outbound Telephony
Summary
by MITRE
Vulnerability in the Oracle Advanced Outbound Telephony product of Oracle E-Business Suite (component: User Interface). Supported versions that are affected are 12.1.1-12.1.3. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Advanced Outbound Telephony. While the vulnerability is in Oracle Advanced Outbound Telephony, 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 Advanced Outbound Telephony accessible data as well as unauthorized update, insert or delete access to some of Oracle Advanced Outbound Telephony accessible data. CVSS 3.0 Base Score 8.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N).
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Analysis
by VulDB Data Team • 05/20/2024
The vulnerability identified as CVE-2020-2863 resides within Oracle Advanced Outbound Telephony, a component of the Oracle E-Business Suite ecosystem. This particular weakness manifests in the User Interface component of the Advanced Outbound Telephony product, affecting versions 12.1.1 through 12.1.3. The vulnerability represents a significant security concern as it operates within a core business application that handles telephony operations and customer communications. The affected system components are part of the broader Oracle E-Business Suite framework, which serves as a foundational platform for enterprise resource planning and customer relationship management functions. Organizations utilizing these specific versions face potential exposure to sophisticated attacks that could compromise their telephony infrastructure and associated data.
The technical flaw stems from insufficient input validation and access control mechanisms within the User Interface component. This vulnerability enables a low privileged attacker who can establish network connections via HTTP to exploit the system. The attack vector requires minimal privileges and network access, making it particularly dangerous as it can be executed by individuals with limited system permissions. The vulnerability's exploitation allows attackers to gain unauthorized access to critical data within the Oracle Advanced Outbound Telephony environment. Additionally, successful exploitation can provide attackers with complete access to all accessible data within this specific product, along with unauthorized capabilities to update, insert, or delete data within the system. The vulnerability's design flaw essentially creates a pathway for privilege escalation and data manipulation that bypasses normal security controls.
The operational impact of this vulnerability extends beyond the immediate scope of Oracle Advanced Outbound Telephony, potentially affecting other interconnected Oracle products within the E-Business Suite environment. This cascading effect aligns with the CVSS 3.0 scoring system which assigns a base score of 8.5, indicating high severity. The confidentiality impact is rated as high, meaning that attackers can access sensitive data that may include customer information, business communications, and operational details. The integrity impact is rated as low, suggesting that while the attacker can modify data, the primary concern lies in unauthorized access rather than data corruption. The vulnerability's potential to compromise multiple products within the Oracle ecosystem creates a significant risk for enterprise environments that rely on integrated business applications. The CVSS vector (AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N) clearly indicates that network-based attacks with low complexity and limited privileges can result in catastrophic confidentiality impacts across a potentially expanded attack surface.
The exploitation of CVE-2020-2863 aligns with several ATT&CK framework techniques including credential access and privilege escalation. The vulnerability's characteristics match CWE-20, which describes improper input validation, and CWE-287, which addresses improper authentication. Organizations should implement immediate mitigations including patching to the latest supported versions of Oracle E-Business Suite, network segmentation to limit access to the affected components, and enhanced monitoring of HTTP traffic for suspicious activities. Access controls should be strengthened through proper user privilege management and regular security assessments. The vulnerability's classification under CVSS 3.0 as a high severity issue with network accessibility requires immediate attention from security teams and system administrators. Additionally, organizations should conduct comprehensive risk assessments to identify all potentially affected systems within their Oracle E-Business Suite environment and implement appropriate security controls to prevent exploitation of this vulnerability.