CVE-2026-83079 in Siebel CRM Cloud Applications
Summary
by MITRE • 09/16/2026
Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.7. Easily exploitable vulnerability allows high privileged attacker with logon to the infrastructure where Siebel CRM Cloud Applications executes to compromise Siebel CRM Cloud Applications. While the vulnerability is in Siebel CRM Cloud Applications, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Siebel CRM Cloud Applications accessible data as well as unauthorized access to critical data or complete access to all Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 7.9 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N).
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Analysis
by VulDB Data Team • 09/16/2026
The identified vulnerability resides within the Siebel Cloud Manager component of Oracle Siebel CRM, specifically affecting supported versions ranging from 22.3 through 26.7. 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 architectural weakness that allows for unauthorized manipulation or exposure of data within the cloud application environment. While the vulnerability is technically located in Siebel Cloud Manager, its exploitation can lead to a scope change where additional products and services integrated with or dependent upon the Siebel CRM infrastructure are also compromised. This lateral impact amplifies the severity of the issue beyond the immediate component, potentially disrupting broader organizational workflows that depend on data integrity and availability across multiple systems.
From a technical perspective, this vulnerability is characterized by its requirement for high-privileged access to the underlying infrastructure where Siebel CRM Cloud Applications executes. An attacker must already possess valid logon credentials with elevated privileges within the host environment to exploit this flaw. This indicates that the attack vector is local rather than remote or network-based, requiring physical or logical proximity to the execution environment. Once authenticated at a high privilege level, the attacker can leverage the vulnerability to compromise the integrity and confidentiality of the Siebel CRM Cloud Applications data. The technical mechanism likely involves improper access control checks or insecure handling of sensitive operations within the cloud manager interface, allowing an insider threat or a compromised administrative account to bypass standard security boundaries.
The operational impact of successfully exploiting this vulnerability is severe, primarily affecting the confidentiality and integrity aspects of the CIA triad. Successful attacks can result in unauthorized creation, deletion, or modification of critical data stored within Siebel CRM Cloud Applications. This means that an attacker could alter customer records, financial transactions, or strategic business intelligence data without detection, leading to potential regulatory non-compliance and loss of trust. Furthermore, the vulnerability grants unauthorized access to critical data, potentially resulting in complete access to all accessible data within the application scope. For high-privileged attackers, this equates to a total compromise of sensitive corporate information, including personally identifiable information (PII), intellectual property, and proprietary business processes. The absence of availability impact suggests that while data is at risk, system uptime may remain unaffected initially, though persistent modification could lead to functional degradation over time.
In terms of industry standard classifications, this vulnerability aligns with CWE-269 Improper Privilege Management or CWE-732 Incorrect Permission Assignment for Critical Resource, as it involves a high-privileged actor exploiting insufficient checks on sensitive operations. The attack pattern corresponds to MITRE ATT&CK techniques such as T1078 Valid Accounts and potentially T1530 Data from Cloud Storage if the data exfiltration is involved. The CVSS 3.1 base score of 7.9 reflects a High severity rating, driven by the high impact on confidentiality and integrity despite requiring local access and high privileges for exploitation. This scoring underscores that while the barrier to entry is higher than remote vulnerabilities, the potential damage upon successful execution is substantial due to the sensitivity of CRM data.
Mitigation strategies must focus on strict identity and access management practices within the infrastructure hosting Siebel CRM Cloud Applications. Organizations should enforce the principle of least privilege by ensuring that administrative accounts are used only when necessary and protected with multi-factor authentication and rigorous monitoring for anomalous activity. Regular auditing of privileged account usage is essential to detect any unauthorized attempts to leverage this vulnerability. Additionally, applying the latest security patches provided by Oracle for Siebel CRM versions 22.3 through 26.7 is critical to addressing the underlying code flaws that permit such exploitation. Network segmentation should also be reviewed to ensure that even if an attacker gains high-level access on one host, they cannot easily pivot to other sensitive systems within the enterprise environment. Continuous monitoring of data integrity and configuration changes can help identify potential exploitation attempts in real-time, allowing for rapid incident response before significant damage occurs.