CVE-2026-83392 in Applications Manager
Summary
by MITRE • 10/21/2026
Vulnerability in the Oracle Applications Manager product of Oracle E-Business Suite (component: Diagnostics). Supported versions that are affected are 12.2.3-12.2.15. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Applications Manager. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Applications Manager accessible data. CVSS 3.1 Base Score 3.1 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N).
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Analysis
by VulDB Data Team • 10/21/2026
The identified vulnerability resides within the Diagnostics component of Oracle Applications Manager, a critical management tool included in Oracle E-Business Suite versions ranging from 12.2.3 through 12.2.15. This specific flaw is classified as an unauthorized read access issue that allows attackers to retrieve sensitive information stored or processed by the application manager. The vulnerability is characterized by its difficulty of exploitation, requiring a high level of skill and precise conditions to be successfully leveraged against a target system. Despite this complexity, the attack vector remains accessible over standard network protocols, specifically HTTP, which means it can potentially be triggered remotely without physical access to the underlying infrastructure or local machine privileges beyond those granted to low-privileged users within the application environment.
From a technical perspective, the core issue involves insufficient access controls or improper validation mechanisms within the Diagnostics module that processes requests via HTTP. While Oracle Applications Manager is designed for administrative and diagnostic purposes, certain endpoints or data retrieval functions appear to be accessible to authenticated users with lower privilege levels who should not have permission to view specific subsets of internal data. This misconfiguration effectively bypasses intended security boundaries, allowing a low-privileged attacker to query the system and extract information that was meant to remain restricted to higher-level administrators or diagnostic tools running under elevated contexts. The reliance on HTTP rather than HTTPS may also imply potential exposure if transport layer encryption is not enforced by network infrastructure policies, although the primary flaw lies in application-layer authorization logic rather than protocol security itself.
The operational impact of this vulnerability is primarily centered around confidentiality breaches, as indicated by a CVSS 3.1 Base Score of 3.1 with only Confidentiality impacts recorded. Successful exploitation enables an attacker to gain unauthorized read access to a subset of Oracle Applications Manager accessible data. This could include sensitive configuration details, internal system states, or other diagnostic information that might aid in further reconnaissance activities against the enterprise network. Although direct integrity or availability impacts are not explicitly noted in this specific vector, the exposure of such data can significantly degrade security posture by providing adversaries with valuable intelligence for planning more sophisticated attacks, such as privilege escalation attempts or targeted social engineering campaigns based on discovered internal structures and user roles.
In terms of industry standard classifications, this vulnerability aligns closely with CWE-200: Exposure of Sensitive Information to an Unauthorized Actor, specifically reflecting failures in proper access control enforcement that lead to information disclosure. It also maps to the MITRE ATT&CK framework under techniques related to Collection or Discovery phases where adversaries gather sensitive data from compromised systems. The attack vector corresponds to Network Access with High Attack Complexity and Low Privileges Required, indicating that while remote exploitation is possible, it demands significant expertise and favorable conditions within the target environment. Organizations running affected versions must treat this as a medium-priority issue due to its low base score but acknowledge the risk of information leakage in environments where internal network segmentation or strict user role management may not be fully enforced.
Mitigation strategies should focus on immediate patching by applying the latest security updates provided by Oracle for E-Business Suite, which address these access control flaws within the Diagnostics component. In cases where patching is temporarily delayed due to operational constraints, administrators should implement network-level controls such as firewall rules or Web Application Firewall policies that restrict HTTP traffic destined for Oracle Applications Manager endpoints to only authorized IP addresses and administrative subnets. Additionally, enforcing strict role-based access control ensures that low-privileged users are explicitly denied permission to invoke diagnostic functions that expose sensitive data. Regular audits of user permissions within the application manager can help identify and rectify over-provisioned accounts that might otherwise serve as entry points for this type of exploitation. Continuous monitoring of HTTP request logs for anomalous patterns associated with diagnostic queries from low-privilege sources can also aid in early detection of attempted exploits.