CVE-2020-2564 in Siebel UI Framework
Summary
by MITRE
Vulnerability in the Siebel UI Framework product of Oracle Siebel CRM (component: EAI). Supported versions that are affected are 19.10 and prior. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel UI Framework. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Siebel UI Framework accessible data. CVSS 3.0 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).
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Analysis
by VulDB Data Team • 03/23/2024
The vulnerability identified as CVE-2020-2564 represents a significant security weakness within Oracle Siebel CRM's Siebel UI Framework component, specifically within the EAI module. This flaw affects versions 19.10 and earlier, making it a widespread concern for organizations utilizing legacy Siebel deployments. The vulnerability stems from insufficient authentication mechanisms that allow unauthorized network access through HTTP protocols, creating an exploitable entry point for malicious actors without requiring any prior credentials or privileged access. The affected component operates within the broader Siebel CRM ecosystem, which serves as a critical customer relationship management platform for enterprise organizations handling sensitive business data and customer information.
The technical nature of this vulnerability manifests as a lack of proper access controls within the Siebel UI Framework's HTTP handling mechanisms. Attackers can exploit this weakness by sending crafted HTTP requests to the affected system without authentication, potentially gaining access to restricted data within the framework. This unauthenticated access capability directly violates fundamental security principles of authentication and authorization, allowing attackers to bypass normal access controls that should restrict data access to authorized personnel only. The vulnerability's classification as easily exploitable indicates that the attack vector requires minimal technical skill or resources, making it particularly dangerous for organizations with exposed web services. The CVSS 3.0 score of 5.3 reflects the moderate severity impact, primarily focused on confidentiality concerns with a low attack complexity and no user interaction requirements.
The operational impact of this vulnerability extends beyond simple data exposure, potentially affecting critical business operations and customer information management systems. Organizations utilizing affected Siebel CRM versions face the risk of unauthorized data access to a subset of framework accessible data, which could include sensitive customer information, business intelligence, or operational data. This exposure creates potential downstream consequences including regulatory compliance violations, reputational damage, and financial losses due to data breaches. The vulnerability's network-based attack vector means that organizations with exposed web services or public-facing Siebel applications are particularly at risk, as attackers can potentially exploit this weakness from remote locations without requiring physical access or insider knowledge. The lack of required privileges or user interaction makes this vulnerability particularly concerning for organizations that may not have robust network segmentation or monitoring in place.
Organizations should implement immediate mitigations including network segmentation to restrict access to affected Siebel components, deployment of web application firewalls to monitor and filter HTTP traffic, and application-level access controls to limit exposure. The recommended approach involves upgrading to supported Siebel CRM versions that contain patches for this vulnerability, as Oracle has likely addressed this weakness in subsequent releases. Security monitoring should include detection of unauthorized HTTP access attempts and anomalous data access patterns within the Siebel framework. The vulnerability aligns with CWE-287 which addresses improper authentication issues, and maps to ATT&CK technique T1190 for exploitation of remote services, highlighting the need for comprehensive network security controls. Organizations should also conduct thorough security assessments of their Siebel deployments to identify any additional unpatched vulnerabilities and implement proper access control policies to prevent unauthorized data access.