CVE-2023-21909 in Siebel CRM
Summary
by MITRE • 04/18/2023
Vulnerability in the Siebel CRM product of Oracle Siebel CRM (component: UI Framework). Supported versions that are affected are 23.3 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM accessible data. CVSS 3.1 Base Score 6.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).
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Analysis
by VulDB Data Team • 05/13/2023
The vulnerability identified as CVE-2023-21909 represents a significant security flaw within Oracle Siebel CRM's user interface framework component, affecting versions 23.3 and earlier. This issue resides in the Siebel CRM product line, which serves as a comprehensive customer relationship management platform used by enterprises worldwide for managing customer interactions and business processes. The vulnerability's classification as easily exploitable indicates that attackers can leverage it with minimal technical expertise, making it particularly dangerous in production environments where sensitive customer data and business-critical information are stored. The affected UI Framework component is fundamental to how users interact with the Siebel CRM system, providing the graphical interface through which business users access and manipulate data.
The technical nature of this vulnerability allows a low privileged attacker to compromise the system through network-based HTTP access, eliminating the need for physical access or elevated privileges to initiate exploitation. This attack vector operates through the standard web protocols that Siebel CRM uses to communicate with clients, making it accessible to attackers who can simply connect to the application's web interface. The CVSS score of 6.5 reflects the severity of the confidentiality impact, indicating that successful exploitation could lead to unauthorized access to critical data or complete access to all data accessible through the Siebel CRM system. The vulnerability's characteristics align with CWE-284, which deals with inadequate access control mechanisms, and specifically represents a weakness in the application's authorization controls that permit unauthorized data access through the web interface.
The operational impact of this vulnerability extends beyond simple data theft, as it could potentially allow attackers to gain complete access to all data within the Siebel CRM system, including customer information, sales records, financial data, and other sensitive business information. This comprehensive access capability means that organizations using affected Siebel CRM versions face significant risk of data breaches, regulatory compliance violations, and potential financial losses. The vulnerability affects organizations that rely on Siebel CRM for critical business operations, potentially compromising business continuity and customer trust. Attackers could exploit this vulnerability to modify or delete data, potentially disrupting business processes and creating operational chaos. The lack of user interaction requirements for exploitation means that attacks could occur automatically without user awareness, making detection and response more challenging.
Organizations should prioritize immediate remediation by upgrading to Siebel CRM versions that address this vulnerability, as patching represents the most effective mitigation strategy. Security teams should implement network monitoring to detect unusual HTTP traffic patterns that might indicate exploitation attempts, while also conducting thorough access reviews to identify any unauthorized access that may have occurred. The vulnerability's classification as a network-based attack means that organizations should review their network security configurations, including firewalls and access controls, to limit unnecessary exposure of the Siebel CRM system. Additionally, implementing network segmentation and least privilege access controls can help reduce the potential impact if exploitation does occur. Organizations should also consider conducting security assessments to identify other potential vulnerabilities in their Siebel CRM deployments and related systems, as this vulnerability may indicate broader security gaps in the organization's overall security posture. The ATT&CK framework would classify this vulnerability under privilege escalation and credential access tactics, with potential for lateral movement within the network once initial access is achieved through the web-based attack vector.