CVE-2017-3383 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 described in CVE-2017-3383 represents a critical security flaw within Oracle Advanced Outbound Telephony component of the Oracle E-Business Suite ecosystem. This vulnerability specifically affects multiple version ranges including 12.1.1 through 12.2.6, making it a widespread concern across various Oracle EBS deployments. The vulnerability resides within the User Interface subcomponent of Advanced Outbound Telephony, which serves as the primary interface for telephony operations within the enterprise environment. The flaw enables unauthenticated attackers to gain access to the telephony system through standard HTTP network connections, presenting a significant risk to organizations that rely on telephony integration for business operations. This vulnerability classification aligns with CWE-287 which addresses improper authentication issues, and represents a fundamental breakdown in the authentication mechanisms protecting critical telephony infrastructure.
The technical exploitation of this vulnerability requires minimal attacker privileges and can be executed through standard network-based HTTP access without requiring any prior authentication credentials. The attack vector specifically targets the User Interface component, suggesting that the vulnerability may stem from improper input validation or session management within the web interface layer. The fact that successful exploitation requires human interaction from individuals other than the attacker indicates that the vulnerability likely involves some form of social engineering component or user-specific interaction that triggers the security breach. This characteristic places additional risk on organizations where user behavior cannot be fully controlled or monitored, as the vulnerability may be triggered through legitimate user activities that inadvertently provide attackers with access paths.
The operational impact of this vulnerability extends beyond simple unauthorized access to encompass comprehensive data compromise and modification capabilities. Attackers who successfully exploit this vulnerability can achieve unauthorized access to all critical data within the Oracle Advanced Outbound Telephony system, including sensitive telephony configurations, call logs, and user information. The vulnerability also enables unauthorized modification capabilities, allowing attackers to insert, update, or delete data within the telephony system, potentially disrupting business operations and compromising data integrity. The CVSS v3.0 base score of 8.2 reflects the high severity of this vulnerability, with significant impacts to both confidentiality and integrity as noted in the assessment. Organizations utilizing this telephony system face potential business disruption, data loss, and compliance violations that could result in substantial financial and operational consequences.
Mitigation strategies for this vulnerability should focus on immediate network-level protections including firewall restrictions to limit access to the affected telephony interfaces, implementation of strong authentication mechanisms, and regular security patching of Oracle EBS installations. Organizations should also consider implementing network segmentation to isolate telephony systems from general business networks and establish monitoring protocols to detect unusual access patterns or unauthorized modifications. The vulnerability demonstrates the importance of maintaining current security patches and implementing defense-in-depth strategies that protect against both network-based and application-level attacks. Additionally, organizations should conduct regular security assessments of their telephony integration components to identify similar vulnerabilities that may exist within their broader Oracle EBS environment. The ATT&CK framework would categorize this vulnerability under initial access and privilege escalation tactics, emphasizing the need for comprehensive access controls and user behavior monitoring to prevent exploitation.