CVE-2026-101829 in Mobile Application Server
Summary
by MITRE • 10/21/2026
Vulnerability in the Oracle Mobile Application Server product of Oracle E-Business Suite (component: MWA Terminal Server). Supported versions that are affected are 12.2.3-12.2.15. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Mobile Application Server. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Mobile Application Server accessible data as well as unauthorized access to critical data or complete access to all Oracle Mobile Application Server accessible data. CVSS 3.1 Base Score 7.4 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N).
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Analysis
by VulDB Data Team • 10/21/2026
The identified vulnerability resides within the MWA Terminal Server component of Oracle Mobile Application Server, a critical subsystem integrated into Oracle E-Business Suite versions 12.2.3 through 12.2.15. This security flaw represents a significant risk to organizations relying on these specific releases for their mobile enterprise application infrastructure. The vulnerability is classified as difficult to exploit due to the requirement of high complexity in attack conditions, yet it remains severe because it allows an unauthenticated attacker with network access via HTTP to compromise the system. Unlike vulnerabilities that require user interaction or complex authentication bypasses, this flaw permits remote code execution or data manipulation by any external actor who can reach the service over the network, provided they can navigate the specific exploitation prerequisites which are deemed challenging but not impossible for determined adversaries.
From a technical perspective, the core issue lies in how the MWA Terminal Server processes incoming HTTP requests without adequate validation of unauthenticated inputs. This lack of proper input sanitization or access control enforcement enables an attacker to manipulate server-side operations directly through crafted network packets. The absence of authentication requirements at this specific entry point means that any entity with network connectivity to the affected service can attempt to trigger the flaw. While the exploitation complexity is high, suggesting that automated scanning tools may not easily detect or exploit it without specialized knowledge, the potential for successful compromise remains substantial once an attacker identifies the correct sequence of actions required to bypass the internal checks. This aligns with common patterns found in CWE-20 Improper Input Validation and CWE-352 Cross-Site Request Forgery if the flaw involves state-changing operations that do not verify the origin or intent of the request properly, although the specific mechanism is tied to the terminal server's handling of mobile client communications.
The operational impact of a successful exploitation is severe, primarily affecting the confidentiality and integrity of data managed by Oracle Mobile Application Server. An attacker who successfully exploits this vulnerability can achieve unauthorized creation, deletion, or modification of critical business data stored within the system. This capability directly undermines the integrity of enterprise records, potentially leading to financial loss, regulatory non-compliance, and reputational damage if malicious actors alter transactional data or delete essential logs. Furthermore, the vulnerability grants unauthorized access to sensitive information that should be restricted to authenticated users with appropriate privileges. In worst-case scenarios, an attacker could gain complete access to all Oracle Mobile Application Server accessible data, effectively exposing proprietary customer information, financial records, and operational metrics to external parties. This level of access corresponds closely with ATT&CK techniques related to Data Exfiltration over C2 Channels or Unauthorized Access to Cloud Resources, depending on the specific deployment architecture.
The CVSS 3.1 base score of 7.4 reflects a High severity rating, driven by high impacts on confidentiality and integrity while availability remains unaffected in this specific vector description. The vector string (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N) indicates that the attack vector is network-based, requiring no user interaction or privileges for the initial access attempt, but demanding high complexity to execute successfully. This profile suggests that while the vulnerability is not trivially exploitable by opportunistic malware or simple scripts, it poses a persistent threat from skilled attackers who can perform manual exploitation attempts. Organizations must recognize that difficulty of exploitation does equate to low risk; rather, it indicates that defense-in-depth strategies are essential because automated defenses may fail to block sophisticated attacks targeting this specific component.
To mitigate the risks associated with this vulnerability, immediate action is required for all systems running Oracle E-Business Suite versions 12.2.3 through 12.2.15. The primary remediation step involves applying the latest security patches provided by Oracle specifically addressing the MWA Terminal Server flaw. Administrators should consult official Oracle Security Advisories to identify and install the relevant patch sets that resolve this issue. In addition to patching, organizations should implement network-level controls such as firewalls or Web Application Fireplaces (WAFs) to restrict access to the MWA Terminal Server ports only from trusted IP addresses known to host legitimate mobile devices or management consoles. This limits the attack surface by ensuring that unauthenticated HTTP requests originate only from expected sources. Furthermore, enabling strict logging and monitoring for anomalous HTTP traffic patterns targeting this component can help detect attempted exploitation activities in real-time. Regular vulnerability assessments should be conducted to ensure no other related weaknesses exist within the mobile application server infrastructure, maintaining a robust security posture against evolving threats.