CVE-2026-47016 in Siebel CRM Integration
Summary
by MITRE • 07/22/2026
Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: Event Publish and Subscribe). Supported versions that are affected are 17.0-26.4. Difficult to exploit vulnerability allows physical access to compromise Siebel CRM Integration. While the vulnerability is in Siebel CRM Integration, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized read access to a subset of Siebel CRM Integration accessible data. CVSS 3.1 Base Score 1.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:N).
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Analysis
by VulDB Data Team • 07/22/2026
This vulnerability resides within Oracle Siebel CRM Integration's Event Publish and Subscribe component, specifically affecting versions ranging from 17.0 through 26.4. The security flaw represents a significant concern given that it can be exploited through physical access methods, indicating that an attacker with direct hardware access could potentially compromise the system. The CVSS 3.1 base score of 1.9 reflects the relatively low severity but critical nature of the vulnerability, as evidenced by the vector CVSS:3.1/AV:P/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:N which demonstrates that physical access is required (AV:P), the attack complexity is high (AC:H), privilege requirements are high (PR:H), no user interaction is needed (UI:N), the scope change impacts additional products (S:C), and only confidentiality is affected with low impact (C:L). The vulnerability's classification aligns with CWE-284, which addresses improper access control mechanisms, particularly when physical access can be leveraged to bypass security controls. This type of vulnerability falls under the ATT&CK framework category of Privilege Escalation and Defense Evasion, as it enables unauthorized data access through physical means.
The technical flaw within the Event Publish and Subscribe component manifests as insufficient access controls that allow unauthorized physical accessors to read sensitive data from a subset of the Siebel CRM Integration system. This represents an information disclosure vulnerability where attackers can potentially extract confidential business data, customer records, or operational information without proper authorization. The scope change aspect indicates that this vulnerability's impact extends beyond the immediate component to affect other integrated systems within the Oracle Siebel ecosystem, creating cascading security implications. The attack requires physical access, which suggests potential threat actors could include insiders with legitimate hardware access or attackers who have gained physical presence in secured facilities. This characteristic makes the vulnerability particularly concerning for organizations with strict physical security controls that may not adequately account for this specific vector of compromise.
The operational impact of this vulnerability extends well beyond the immediate Siebel CRM Integration environment, as successful exploitation can lead to unauthorized read access to sensitive data that organizations rely on for business operations. Organizations using affected versions of Oracle Siebel CRM Integration face potential exposure of customer information, business intelligence, and operational data that could be used for competitive advantage or malicious purposes. The low impact on integrity and availability (C:L/I:N/A:N) suggests that while confidentiality is compromised, the system's functionality remains largely intact, though the unauthorized data access could still result in significant business disruption through loss of competitive advantage or regulatory compliance issues. This vulnerability directly impacts the principle of least privilege and can undermine organizational security postures by providing a path for unauthorized data extraction through physical access methods.
Organizations should implement immediate mitigation strategies including enhanced physical security controls, regular vulnerability assessments targeting physical access points, and comprehensive monitoring of system access patterns. The recommended approach involves implementing strong access control measures at both logical and physical levels, ensuring that only authorized personnel have physical access to systems containing sensitive data. Regular security audits should be conducted to identify potential physical access risks and ensure proper segregation of duties within the Siebel CRM Integration environment. Organizations should also consider implementing network segmentation and monitoring solutions that can detect unauthorized physical access attempts or unusual data access patterns. The vulnerability's characteristics suggest that traditional perimeter-based security measures may not be sufficient, requiring a more comprehensive security approach that addresses physical access controls alongside logical security measures. This aligns with the NIST Cybersecurity Framework's focus on protecting against physical threats and implementing robust access control mechanisms across all system components.