CVE-2020-2854 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 unauthenticated attacker with network access via HTTP to compromise Oracle Advanced Outbound Telephony. Successful attacks require human interaction from a person other than the attacker and 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 8.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/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 • 05/08/2025
The vulnerability identified as CVE-2020-2854 resides within Oracle Advanced Outbound Telephony, a component of the Oracle E-Business Suite that handles telephony operations. This vulnerability affects specific versions ranging from 12.1.1 through 12.1.3, representing a significant security gap in enterprise telephony systems. The flaw manifests in the User Interface component where an improperly secured authentication mechanism allows unauthorized access to critical telephony functions. The vulnerability's classification as easily exploitable indicates that attackers can leverage standard network protocols without requiring specialized tools or extensive technical knowledge to initiate attacks. Network-based exploitation via HTTP protocol demonstrates how attackers can remotely target systems without needing physical access or prior authentication credentials.
The technical implementation of this vulnerability stems from insufficient access controls within the user interface layer of the Oracle Advanced Outbound Telephony system. Attackers can exploit this weakness by crafting specific HTTP requests that bypass normal authentication procedures, allowing them to access telephony data and potentially manipulate system functions. The requirement for human interaction from a non-attacker indicates that while the initial exploitation may be automated, some form of user involvement is necessary for full exploitation success. This human interaction requirement could involve legitimate users performing actions that inadvertently trigger the vulnerability or provide additional access vectors. The vulnerability's impact extends beyond the immediate telephony component to potentially affect other integrated Oracle products within the E-Business Suite ecosystem.
The operational implications of this vulnerability are severe and multifaceted, as evidenced by the CVSS 3.0 base score of 8.2 which indicates high severity. The vulnerability enables unauthorized access to critical telephony data including customer contact information, call logs, and telephony configuration details that could be used for identity theft, fraud, or competitive intelligence gathering. The confidentiality impact is rated as high, meaning attackers can potentially access sensitive information that could compromise business operations and customer privacy. The integrity impact is rated as low to moderate, suggesting that while attackers can modify data, the primary threat lies in unauthorized data access rather than data corruption. The potential for unauthorized update, insert, or delete operations against Oracle Advanced Outbound Telephony accessible data creates opportunities for system manipulation that could disrupt business processes or compromise operational continuity.
The security implications extend beyond immediate data compromise to include potential cascading effects throughout the Oracle E-Business Suite environment. The CVSS vector (AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N) indicates that network access is required, but the attack complexity is low, making exploitation relatively straightforward. The score suggests that attackers can access the system from remote locations without requiring authentication, though they must rely on human interaction for full exploitation success. This vulnerability aligns with CWE-284, which addresses improper access control mechanisms, and could potentially map to ATT&CK techniques involving privilege escalation or credential access. Organizations utilizing affected Oracle versions face significant risk of unauthorized telephony operations, which could include unauthorized call routing, data exfiltration, or disruption of business communications. The vulnerability's classification as a critical security flaw within enterprise telephony systems necessitates immediate remediation through official Oracle patches and security updates.
Mitigation strategies should focus on immediate patch deployment as provided by Oracle security advisories, network segmentation to limit access to telephony components, and implementation of additional access controls beyond the default system configurations. Organizations should conduct comprehensive vulnerability assessments to identify any additional systems that may be impacted by similar vulnerabilities within the Oracle E-Business Suite environment. Network monitoring should be enhanced to detect unusual HTTP traffic patterns that may indicate exploitation attempts, while access logging should be reviewed to identify unauthorized access attempts. The vulnerability's impact on business continuity operations requires organizations to develop incident response procedures specifically addressing telephony system compromises. Regular security assessments and penetration testing should be conducted to identify similar access control weaknesses in other Oracle components and ensure comprehensive protection against similar vulnerabilities.