CVE-2026-83208 in Siebel CRM Deployment
Summary
by MITRE • 09/16/2026
Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Migration). Supported versions that are affected are 17.0-26.7. Easily exploitable vulnerability allows low privileged attacker with network access via SQL to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in takeover of Siebel CRM Deployment. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 09/16/2026
The identified vulnerability resides within the Migration component of Oracle Siebel CRM Deployment versions ranging from 17.0 through 26.7, representing a critical security flaw that undermines the integrity and confidentiality of enterprise customer relationship management systems. This specific weakness is classified as an SQL injection vulnerability, which allows attackers to inject malicious Structured Query Language code into application inputs that are subsequently executed by the underlying database engine without proper sanitization or validation. The presence of this flaw in the migration module suggests that data transfer processes or administrative functions handling external input may fail to adequately escape special characters or enforce strict type checking before passing commands to the backend database, thereby creating a direct pathway for unauthorized code execution within the context of the application server.
From an operational perspective, the exploitability of this vulnerability is significantly heightened by its low complexity and accessibility requirements. A low-privileged attacker with network access can leverage this flaw without requiring user interaction or complex preconditions to achieve remote code execution capabilities equivalent to administrative control over the Siebel CRM Deployment environment. The successful exploitation leads to a complete compromise of the system, encompassing high impacts on confidentiality, integrity, and availability as reflected in the CVSS 3.1 base score of 8.8. This means that an attacker can potentially extract sensitive customer data, modify critical business records or configurations, and disrupt service operations by manipulating database states through crafted SQL payloads. The vector notation (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) confirms that the attack surface is network-accessible, requires little expertise to exploit, does not depend on user interaction, and affects a system where compromised components do not escalate privileges beyond their own scope but still result in severe damage.
This vulnerability aligns with Common Weakness Enumeration identifier CWE-89, which describes Improper Neutralization of Special Elements used in an SQL Command, commonly known as SQL Injection. The attack methodology corresponds to the MITRE ATT&CK technique T1059, specifically sub-technique 007 for Command and Scripting Interpreter: SQL Commands, where adversaries use structured query language commands to interact with databases directly rather than through application logic controls. By bypassing intended access restrictions, the attacker gains the ability to perform unauthorized actions such as reading restricted data, modifying existing information, or executing administrative operations that should be reserved for privileged users. The lack of required user interaction further exacerbates the risk, allowing for automated exploitation tools to target vulnerable endpoints across a network efficiently.
Mitigation strategies must prioritize immediate patching and configuration hardening given the high severity and ease of exploitation. Organizations running affected versions of Oracle Siebel CRM Deployment should apply the latest security patches provided by Oracle that address this specific migration module flaw. In addition to software updates, implementing robust input validation mechanisms is essential; all user-supplied data entering the application must be strictly validated against expected formats using allow-listing approaches rather than relying on block-lists which can be bypassed through encoding variations or obfuscation techniques. Deploying Web Application Firewalls with updated signatures for SQL injection patterns can provide a layer of defense by detecting and blocking malicious payloads before they reach the vulnerable component. Furthermore, enforcing principle of least privilege ensures that even if an attacker succeeds in injecting commands, their ability to cause widespread damage is limited by restricting database account permissions used by the application tier. Regular security assessments and penetration testing focused on migration interfaces will help identify similar weaknesses in other parts of the deployment architecture before they can be exploited in production environments.