CVE-2020-14721 in Enterprise Communications Broker
Summary
by MITRE
Vulnerability in the Oracle Enterprise Communications Broker product of Oracle Communications Applications (component: WebGUI). Supported versions that are affected are 3.0.0-3.2.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Enterprise Communications Broker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Enterprise Communications Broker accessible data as well as unauthorized read access to a subset of Oracle Enterprise Communications Broker accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Enterprise Communications Broker. CVSS 3.1 Base Score 6.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L).
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Analysis
by VulDB Data Team • 10/31/2020
The vulnerability identified as CVE-2020-14721 resides within Oracle Enterprise Communications Broker's WebGUI component, representing a significant security weakness in Oracle Communications Applications version 3.0.0 through 3.2.0. This flaw operates as an easily exploitable vulnerability that enables attackers with minimal privileges to gain unauthorized access to critical system resources. The vulnerability's classification as CVSS 3.1 Base Score 6.3 indicates a moderate to high severity threat that impacts confidentiality, integrity, and availability aspects of the affected system. The attack vector requires only network access via HTTP, making it particularly dangerous as it can be leveraged from remote locations without requiring physical access to the target infrastructure.
The technical nature of this vulnerability stems from insufficient authorization controls within the WebGUI interface, allowing low privileged users to perform unauthorized operations against the Oracle Enterprise Communications Broker system. Attackers can exploit this weakness to execute unauthorized update, insert, or delete operations on specific data sets within the application's accessible database. Additionally, the vulnerability permits unauthorized read access to a subset of data that should normally be restricted, creating potential exposure for sensitive communication information. The partial denial of service component of this vulnerability means that successful exploitation could disrupt service availability to some degree, though not completely incapacitating the system. This represents a fundamental flaw in the application's access control mechanisms that violates standard security principles.
From an operational impact perspective, this vulnerability creates substantial risk for organizations utilizing Oracle Enterprise Communications Broker in their telecommunications infrastructure. The ability to perform unauthorized data modifications could lead to data corruption, information leakage, or manipulation of critical communication records that form the backbone of enterprise communication systems. The partial denial of service capability means that legitimate users might experience intermittent service disruptions or reduced functionality, potentially affecting business continuity and customer communication services. Organizations relying on this system for mission-critical communication operations face increased risk of service degradation and potential data compromise. The vulnerability's low privilege requirement and network-based attack vector make it particularly attractive to threat actors seeking to establish persistent access or cause operational disruption.
Security professionals should implement immediate mitigations including applying the vendor-provided patches and updates for Oracle Enterprise Communications Broker versions 3.0.0 through 3.2.0. Network segmentation and access controls should be reinforced to limit exposure of the WebGUI interface to only authorized personnel and systems. Additional monitoring should be implemented to detect unauthorized access attempts or unusual data modification patterns within the affected system. Organizations should also consider implementing network-based intrusion detection systems to identify potential exploitation attempts. The vulnerability aligns with CWE-284 (Improper Access Control) and represents a clear violation of the principle of least privilege. From an ATT&CK framework perspective, this vulnerability maps to techniques involving privilege escalation and credential access, potentially enabling adversaries to move laterally within networks or maintain persistent access to communication infrastructure. Regular security assessments and vulnerability scanning should be conducted to identify similar access control weaknesses in other Oracle applications and enterprise communication systems.