CVE-2017-3403 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).
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Analysis
by VulDB Data Team • 05/16/2026
The vulnerability identified as CVE-2017-3403 resides within Oracle Advanced Outbound Telephony component of the Oracle E-Business Suite, specifically affecting the User Interface subcomponent. This security flaw impacts multiple version ranges including 12.1.1 through 12.2.6, representing a significant attack surface across the Oracle E-Business Suite ecosystem. The vulnerability classification as easily exploitable indicates that attackers can leverage this weakness with minimal technical sophistication, making it particularly dangerous in production environments where such systems handle sensitive business data and financial transactions.
The technical implementation of this vulnerability stems from inadequate authentication mechanisms within the HTTP interface of the Advanced Outbound Telephony component. Attackers can exploit this weakness without requiring prior authentication credentials, allowing them to establish unauthorized network connections and potentially gain access to critical system resources. The vulnerability's design flaw specifically relates to insufficient input validation and session management controls that fail to properly verify user identities before granting access to telephony functions and associated data repositories. This weakness creates an attack vector that operates through standard HTTP protocols, making it accessible to threat actors with basic network connectivity.
Operational impact assessment reveals severe consequences for organizations utilizing affected Oracle E-Business Suite versions, particularly in enterprise environments where telephony integration with business applications is critical. Successful exploitation can result in unauthorized access to sensitive customer data, financial records, and business communications stored within the telephony system. The vulnerability's potential to enable complete access to all accessible data combined with unauthorized update, insert, or delete operations creates a comprehensive breach scenario that could compromise both data confidentiality and integrity. The requirement for human interaction from individuals other than the attacker suggests that social engineering or targeted phishing campaigns may be employed to facilitate initial exploitation, potentially expanding the attack surface beyond the initial system compromise.
Mitigation strategies should prioritize immediate patch deployment through Oracle's official security updates, as the vulnerability affects multiple supported versions requiring coordinated remediation efforts. Organizations must implement network segmentation to limit access to the affected telephony components and establish robust monitoring protocols to detect unauthorized access attempts. The vulnerability aligns with CWE-287 which addresses improper authentication issues, and maps to ATT&CK technique T1190 for Exploit Public-Facing Application, emphasizing the need for comprehensive application security controls. Additional defensive measures include implementing web application firewalls, enforcing strict access controls, conducting regular security assessments, and maintaining detailed audit logs for forensic analysis. Organizations should also consider conducting vulnerability scanning and penetration testing to identify potential exploitation vectors and ensure proper network isolation of critical business applications.