CVE-2026-101444 in Siebel CRM Cloud Applications
Summary
by MITRE • 10/21/2026
Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.9. Easily exploitable vulnerability allows low privileged attacker with logon to the infrastructure where Siebel CRM Cloud Applications executes to compromise Siebel CRM Cloud Applications. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 5.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N).
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Analysis
by VulDB Data Team • 10/21/2026
The identified vulnerability resides within the Siebel Cloud Manager component of Oracle Siebel CRM, specifically affecting supported versions ranging from 22.3 through 26.9. This security flaw represents a significant risk to organizations relying on this enterprise customer relationship management platform for critical business operations. The core issue stems from an improper access control mechanism that allows low-privileged attackers who have already established logon credentials within the infrastructure hosting Siebel CRM Cloud Applications to escalate their privileges or bypass intended restrictions. Unlike vulnerabilities requiring remote network exploitation, this flaw necessitates local presence on the execution environment, meaning the attacker must first gain a foothold in the underlying system through other means such as phishing, insider threats, or lateral movement from compromised adjacent systems.
From a technical perspective, the vulnerability enables unauthorized access to critical data by exploiting weaknesses in how the Siebel Cloud Manager handles authentication tokens and session management for lower-privileged users. The attacker does not require user interaction to exploit this flaw, which significantly lowers the barrier to entry once initial infrastructure access is achieved. By leveraging specific API endpoints or internal service calls that are inadequately validated against privilege levels, an attacker can retrieve sensitive customer information, financial records, and proprietary business data stored within the CRM database. This aligns with Common Weakness Enumeration (CWE) category CWE-269, which addresses Improper Privilege Management, as well as CWE-732, concerning Incorrect Permission Assignment for Critical Resource. The lack of strict enforcement on resource access permissions allows a user account with minimal privileges to interact with administrative functions or data stores reserved for higher-level administrators.
The operational impact of this vulnerability is severe due to the high confidentiality impact indicated by the CVSS 3.1 base score of 5.5, specifically driven by complete access to all accessible Siebel CRM Cloud Applications data. For enterprises, this translates directly into potential regulatory non-compliance with frameworks such as GDPR, HIPAA, or PCI-DSS, given that personally identifiable information and sensitive business metrics are exposed. Beyond compliance risks, the exposure of customer data can lead to substantial reputational damage, loss of client trust, and financial penalties. Furthermore, while the current assessment highlights confidentiality impacts, the ability to access critical infrastructure components could potentially be chained with other vulnerabilities to achieve broader system compromise, including integrity or availability disruptions in more complex attack scenarios involving privilege escalation chains.
In terms of threat modeling, this vulnerability maps closely to MITRE ATT&CK technique T1078, Valid Accounts, as it relies on legitimate credentials obtained through initial access phases. It also relates to T1530, Data from Cloud Storage Object, if the underlying infrastructure stores data in accessible cloud buckets or databases that are improperly secured relative to application-level permissions. Attackers typically follow a kill chain where they first establish persistence within the network perimeter and then move laterally to find systems running vulnerable versions of Siebel CRM. Once located, the exploitation is straightforward due to low complexity requirements, allowing for rapid data exfiltration before detection mechanisms can trigger alerts based on anomalous behavior patterns associated with high-volume data retrieval by standard user accounts.
Mitigation strategies must prioritize immediate patching and configuration hardening. Organizations should apply the latest security patches provided by Oracle that address this specific flaw in Siebel Cloud Manager, ensuring all instances within the 22.3 to 26.9 version range are updated promptly. In addition to software updates, implementing strict network segmentation is crucial to limit lateral movement capabilities for attackers who may have breached other parts of the infrastructure. Access control policies should be reviewed to enforce the principle of least privilege, ensuring that service accounts and user roles associated with Siebel CRM do not possess unnecessary permissions on the underlying operating system or database layer. Multi-factor authentication should be enforced for all administrative access points, and continuous monitoring solutions should be deployed to detect unusual data access patterns indicative of exploitation attempts. Regular vulnerability assessments focused on cloud infrastructure components will help identify similar misconfigurations before they can be leveraged by malicious actors seeking to compromise critical business applications.