CVE-2017-3394 in E-Business Suite
Summary
by MITRE
Vulnerability in the Oracle Advanced Outbound Telephony component of Oracle E-Business Suite (subcomponent: User Interface). Supported versions that are affected are 12.1.1, 12.1.2, 12.1.3, 12.2.3, 12.2.4, 12.2.5 and 12.2.6. 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 v3.0 Base Score 8.2 (Confidentiality and Integrity impacts).
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 05/16/2026
The vulnerability identified as CVE-2017-3394 resides within Oracle Advanced Outbound Telephony component of the Oracle E-Business Suite, specifically within the User Interface subcomponent. This weakness affects multiple version lines including 12.1.1 through 12.1.3 and 12.2.3 through 12.2.6, representing a significant attack surface across the Oracle E-Business Suite ecosystem. The vulnerability operates at the network level through HTTP protocols, making it accessible to remote attackers without requiring authentication credentials. This characteristic places the vulnerability in the category of easily exploitable security flaws as defined by the Common Weakness Enumeration standard where CWE-284 describes improper access control vulnerabilities.
The technical implementation of this vulnerability stems from insufficient authorization checks within the telephony component's user interface, allowing unauthenticated network access to sensitive telephony functions. Attackers can leverage this weakness to gain unauthorized access to critical data within the Oracle Advanced Outbound Telephony system. The attack requires human interaction from users other than the attacker, indicating that social engineering or user manipulation may be necessary to achieve successful exploitation. This aspect aligns with ATT&CK technique T1203 which involves gaining access through manipulation of a user's interaction with a system. The vulnerability's impact extends beyond the immediate telephony component, potentially affecting additional Oracle products within the suite due to shared data access mechanisms and common infrastructure components.
The operational impact of this vulnerability represents a significant security risk for organizations utilizing Oracle E-Business Suite deployments. Successful exploitation can result in complete access to all data within Oracle Advanced Outbound Telephony, including sensitive telephony records, call logs, and communication metadata. Additionally, attackers can perform unauthorized modifications to the system through update, insert, or delete operations on accessible data, creating potential for both data exfiltration and data integrity compromise. The CVSS v3.0 base score of 8.2 reflects the severity of the vulnerability with high confidentiality and integrity impacts, indicating that unauthorized access to sensitive telephony information and potential modification of critical business communication data represents a substantial threat level. Organizations with telephony systems handling sensitive customer communications, financial data, or regulatory compliance information face particularly significant risk from this vulnerability.
Mitigation strategies for CVE-2017-3394 should include immediate application of Oracle's security patches and updates released for affected versions of the Oracle E-Business Suite. Network-level protections should be implemented through firewall rules to restrict HTTP access to the vulnerable telephony component, particularly when the system is not actively being used for outbound telephony operations. Organizations should conduct comprehensive network segmentation to isolate the vulnerable telephony components from other critical business systems where possible. Access controls should be enhanced through implementation of stronger authentication mechanisms and monitoring of user activities within the telephony interface. Regular security assessments and vulnerability scanning should be performed to identify similar weaknesses in other Oracle E-Business Suite components. The ATT&CK framework suggests implementing defensive measures such as network traffic monitoring, user behavior analytics, and access logging to detect potential exploitation attempts. Additionally, organizations should establish incident response procedures specifically addressing telephony system compromises and maintain current threat intelligence regarding similar vulnerabilities in Oracle products.