CVE-2019-2935 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 19.8 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 • 01/15/2024
The vulnerability identified as CVE-2019-2935 represents a significant security weakness within Oracle Siebel CRM's Siebel UI Framework component, specifically within the EAI (Enterprise Application Integration) module. This flaw affects all versions up to and including 19.8, making it a widespread concern for organizations utilizing this enterprise customer relationship management platform. The vulnerability resides in the web-based user interface framework that governs how Siebel applications interact with users and external systems, creating a potential attack surface that could be exploited by malicious actors without requiring any authentication credentials or privileged access.
The technical nature of this vulnerability stems from insufficient access controls within the Siebel UI Framework's HTTP handling mechanisms. An attacker can exploit this weakness by simply sending malicious HTTP requests to the affected system, requiring no prior authentication or specialized tools. The vulnerability's classification as easily exploitable indicates that the attack vector is straightforward and does not require complex prerequisites or specialized knowledge. The CVSS 3.0 scoring system assigns this vulnerability a base score of 5.3, which falls into the medium severity category, with the primary impact being confidentiality-related as indicated by the CVSS vector AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N. This scoring reflects that an attacker can access sensitive data without requiring any user interaction or privileged access, while the attack requires network connectivity and has low complexity.
The operational impact of CVE-2019-2935 extends beyond simple data exposure, potentially compromising the integrity of business-critical customer relationship management data within the Siebel environment. Organizations utilizing affected versions of Siebel CRM face the risk of unauthorized access to sensitive customer information, business processes, and potentially proprietary business data that flows through the EAI component. This vulnerability can be particularly damaging for enterprises that rely heavily on Siebel CRM for managing customer interactions, sales processes, and business intelligence. The lack of authentication requirements means that any network-connected attacker could potentially exploit this vulnerability, making it especially concerning for organizations with exposed web services or those that do not properly segment their network infrastructure.
Security professionals should consider this vulnerability in the context of broader attack patterns documented in the MITRE ATT&CK framework, particularly within the credential access and defense evasion categories. The vulnerability aligns with CWE-284 (Improper Access Control) which specifically addresses insufficient access control mechanisms that allow unauthorized users to access resources. Organizations should implement immediate mitigations including network segmentation to restrict access to Siebel UI Framework components, applying the vendor-provided security patches, and implementing robust network monitoring to detect potential exploitation attempts. The vulnerability also highlights the importance of maintaining current security practices and adhering to the principle of least privilege when configuring enterprise applications. Regular security assessments and vulnerability scanning should be conducted to identify similar access control weaknesses in other enterprise applications and systems, as this represents a common attack pattern that could affect other web-based enterprise platforms. Organizations should also consider implementing additional monitoring controls and access logging to detect unauthorized access attempts to critical business applications.