CVE-2020-2559 in Siebel UI Framework
Summary
by MITRE
Vulnerability in the Siebel UI Framework product of Oracle Siebel CRM (component: UIF Open UI). Supported versions that are affected are 19.7 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-2020-2559 affects the Siebel UI Framework component within Oracle Siebel CRM, specifically within the UIF Open UI functionality. This security flaw exists in versions 19.7 and earlier, representing a significant concern for organizations utilizing this enterprise customer relationship management platform. The vulnerability manifests as a weakness in the authentication and access control mechanisms of the user interface framework, creating an exploitable condition that could allow unauthorized individuals to gain access to sensitive data within the system. The affected component operates within the broader Siebel CRM ecosystem, which serves as a critical business application for customer management and relationship tracking across various industries.
The technical nature of this vulnerability stems from insufficient authentication controls within the Siebel UI Framework, particularly in how it handles HTTP requests and manages access to its underlying data structures. Attackers can exploit this weakness by sending specially crafted HTTP requests to the affected system without requiring any prior authentication credentials or privileged access. The vulnerability's classification as easily exploitable indicates that the attack vector requires minimal technical expertise or resources to execute successfully. This characteristic significantly increases the risk profile of the vulnerability, as it can be leveraged by threat actors with basic networking knowledge to gain unauthorized access to system resources.
The operational impact of this vulnerability extends beyond simple data exposure, as it creates potential for unauthorized read access to a subset of Siebel UI Framework accessible data. While the CVSS score of 5.3 indicates a moderate severity level with confidentiality impacts, the actual business consequences can be substantial depending on the nature of the data within the Siebel system. Organizations may face regulatory compliance issues, competitive disadvantages, and potential financial losses if customer data, business intelligence, or operational information becomes accessible to unauthorized parties. The vulnerability affects the entire system architecture since it operates at the user interface level, potentially compromising the integrity of the entire Siebel CRM environment.
Organizations should implement immediate mitigations to address this vulnerability, including applying the official Oracle security patches released for this CVE. The patching process should involve thorough testing in staging environments before deployment to production systems to ensure operational continuity. Network segmentation strategies can provide additional defense-in-depth measures by limiting access to the affected components through firewalls and access controls. Monitoring and logging mechanisms should be enhanced to detect anomalous HTTP traffic patterns that might indicate exploitation attempts. Security teams should also conduct comprehensive assessments of their Siebel CRM implementations to identify any additional vulnerabilities that might exist within the broader system architecture. The vulnerability aligns with CWE-287 which addresses improper authentication issues, and represents a potential entry point for attackers following the ATT&CK technique of Initial Access through web application attacks. Regular security assessments and vulnerability management processes should be strengthened to prevent similar issues from occurring in the future.