CVE-2021-35570 in Mobile Field Service
Summary
by MITRE • 10/20/2021
Vulnerability in the Oracle Mobile Field Service product of Oracle E-Business Suite (component: Admin UI). Supported versions that are affected are 12.1.1-12.1.3 and 12.2.3-12.2.10. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Mobile Field Service. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Mobile Field Service accessible data as well as unauthorized access to critical data or complete access to all Oracle Mobile Field Service accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N).
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Analysis
by VulDB Data Team • 10/24/2021
The vulnerability identified as CVE-2021-35570 represents a critical security flaw within Oracle Mobile Field Service, specifically within the Admin UI component of Oracle E-Business Suite. This weakness affects multiple version ranges including 12.1.1 through 12.1.3 and 12.2.3 through 12.2.10, making it a widespread concern across various deployments of the Oracle ecosystem. The vulnerability's classification as easily exploitable indicates that attackers with minimal privileges and network access can leverage this flaw to gain significant control over the affected systems. The CVSS score of 8.1 reflects the high severity of this issue, with both confidentiality and integrity impacts rated as high, demonstrating the potential for substantial data compromise and modification.
The technical nature of this vulnerability stems from inadequate access controls within the administrative user interface of Oracle Mobile Field Service, allowing low privileged attackers to execute unauthorized operations against the system's data repository. This flaw specifically enables attackers to perform unauthorized creation, deletion, or modification actions on critical data within the application's scope. The vulnerability's accessibility via HTTP protocol means that attackers can exploit it remotely without requiring physical access to the system, making it particularly dangerous in networked environments. The attack vector requires only network access and low privileges, which significantly increases the attack surface and potential impact.
The operational impact of this vulnerability extends far beyond simple data corruption or unauthorized access. Successful exploitation can lead to complete compromise of all Oracle Mobile Field Service accessible data, potentially affecting business-critical operations and sensitive customer information. The ability to modify or delete data creates risks of operational disruption, data loss, and potential financial losses for organizations relying on field service management capabilities. Organizations using affected versions may experience unauthorized access to sensitive business data, which could result in compliance violations, regulatory penalties, and reputational damage. The vulnerability's potential for data modification also raises concerns about data integrity and the reliability of field service operations.
Mitigation strategies for CVE-2021-35570 should prioritize immediate patching of affected Oracle Mobile Field Service installations to the latest supported versions that contain the necessary security fixes. Organizations should implement network segmentation to limit access to the affected systems and consider implementing additional authentication controls and monitoring mechanisms to detect unauthorized access attempts. The vulnerability aligns with CWE-284 (Improper Access Control) and represents a clear violation of the principle of least privilege, which is fundamental to secure system design. From an ATT&CK framework perspective, this vulnerability maps to techniques involving privilege escalation and credential access, potentially enabling attackers to move laterally within networks and access additional systems. Security teams should also conduct comprehensive vulnerability assessments to identify other potential access control weaknesses within their Oracle E-Business Suite deployments and implement proper access controls to prevent similar issues from occurring in the future.