CVE-2026-62585 in Siebel CRM Administration
Summary
by MITRE • 08/19/2026
Vulnerability in the Siebel CRM Administration product of Oracle Siebel CRM (component: Data Archival). Supported versions that are affected are 25.12-26.6. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Administration. Successful attacks of this vulnerability can result in takeover of Siebel CRM Administration. CVSS 3.1 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 08/19/2026
The identified vulnerability resides within the Data Archival component of Oracle Siebel CRM Administration, specifically affecting supported versions ranging from 25.12 through 26.6. This security flaw represents a critical failure in access control mechanisms that governs how administrative functions are processed over network protocols. The core technical issue stems from an insufficient authentication check or authorization validation within the HTTP interface used for data archival operations. Because this component handles sensitive system configuration and maintenance tasks, the lack of proper verification allows any external entity to interact with these privileged endpoints without providing valid credentials. This architectural weakness effectively bypasses the intended security boundaries that separate unauthenticated users from administrative capabilities, creating a direct path for exploitation by remote actors who have network connectivity to the affected service.
From an operational perspective, the impact of this vulnerability is severe and comprehensive due to its high severity rating. The Common Vulnerability Scoring System version 3.1 assigns a base score of 9.8 out of 10, indicating that successful exploitation leads to complete compromise of the target system. An unauthenticated attacker with network access via HTTP can exploit this flaw to achieve full control over Siebel CRM Administration. This level of access allows for significant alterations to confidentiality, integrity, and availability. Attackers may exfiltrate sensitive customer data stored within the CRM environment, modify critical configuration settings that disrupt business operations, or inject malicious code into administrative processes. The ability to take over the administration interface means that an attacker can effectively become a system administrator, granting them the authority to manage users, access databases, and execute commands with elevated privileges equivalent to those of legitimate administrators.
This vulnerability aligns closely with CWE-287, which describes Improper Authentication, as well as CWE-862, Missing Authorization, depending on whether the flaw lies in verifying identity or validating permissions after authentication attempts are bypassed entirely. In terms of offensive security frameworks such as MITRE ATT&CK, this scenario maps to techniques involving Initial Access and Privilege Escalation. Specifically, it relates to exploitation of application logic flaws that allow unauthenticated users to perform administrative actions. The attack vector is classified as Network (AV:N) with Low Complexity (AC:L), meaning no specialized conditions or user interaction are required for a successful exploit. This simplicity makes the vulnerability particularly dangerous in environments where Siebel CRM instances are exposed to internal networks or, worse, the public internet without adequate web application firewalls or strict network segmentation policies.
Mitigation strategies must focus on immediate remediation and defensive hardening. The primary recommendation is to apply the latest security patches provided by Oracle for versions 25.12 through 26.6 as soon as they are available from official support channels. Until patching can be implemented, organizations should implement network-level controls such as IP whitelisting to restrict access to Siebel CRM Administration endpoints only to trusted administrative subnets. Additionally, deploying a Web Application Firewall with rules specifically designed to detect and block unauthorized requests to archival or administrative API endpoints can provide an effective layer of defense against exploitation attempts. Regular vulnerability scanning and penetration testing should be conducted to identify similar misconfigurations in other components of the Siebel CRM suite, ensuring that no other unauthenticated entry points exist within the application architecture.