CVE-2026-61317 in Siebel CRM Cloud Applications
Summary
by MITRE • 08/19/2026
Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.6. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP 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 takeover of Siebel CRM Cloud Applications. CVSS 3.1 Base Score 9.9 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 08/19/2026
The identified vulnerability resides within the Siebel Cloud Manager component of Oracle Siebel CRM Cloud Applications, affecting supported versions ranging from 22.3 through 26.6. This security flaw represents a critical risk to enterprise environments relying on this customer relationship management platform for mission-critical business operations. The core technical deficiency allows an attacker with low privileges and network access via the HTTP protocol to exploit the system without requiring user interaction or complex preconditions. Unlike many vulnerabilities that require high-level administrative rights, this issue can be leveraged by authenticated users who possess minimal permissions within the application hierarchy. This characteristic significantly lowers the barrier for entry, enabling a broader range of potential attackers to initiate exploitation attempts against vulnerable instances.
The operational impact of this vulnerability is severe due to its ability to facilitate complete system compromise. Successful exploitation leads directly to the takeover of Siebel CRM Cloud Applications, granting the attacker full control over the affected environment. This level of access allows for unauthorized modifications to application configurations, data manipulation, and potential lateral movement within the broader network infrastructure. The scope change associated with this vulnerability indicates that while the technical flaw is localized to the cloud manager component, the consequences extend beyond it, potentially impacting additional products or services integrated with Siebel CRM. This expansive impact profile underscores the interconnected nature of modern enterprise software ecosystems where a weakness in one module can cascade into widespread systemic failure.
From a classification perspective, this vulnerability aligns closely with CWE-269, which addresses Improper Privilege Management, as it allows low-privileged actors to escalate their access or perform actions beyond their intended permissions. Furthermore, the exploitation vector corresponds to ATT&CK technique T1078, Valid Accounts, since the attacker utilizes legitimate but insufficiently restricted credentials to gain unauthorized control. The high availability of network-based attack vectors via HTTP further emphasizes the need for robust input validation and strict privilege enforcement mechanisms within the application logic. The absence of user interface requirements means that automated scanning tools can rapidly identify and exploit this weakness across multiple targets, increasing the likelihood of widespread compromise in unpatched environments.
The CVSS 3.1 base score of 9.9 reflects the critical severity of this issue, driven by high impacts on confidentiality, integrity, and availability. The vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H) confirms that the attack is network-accessible with low complexity, requires only low privileges, has no user interaction requirement, and exhibits a changed scope where impacts extend beyond the vulnerable component. This combination of factors results in maximum severity ratings across all three core security metrics. Organizations must recognize that this is not merely an information disclosure issue but a full system takeover risk that can lead to data exfiltration, service disruption, and reputational damage.
Mitigation strategies should prioritize immediate patching by applying the latest updates provided by Oracle for Siebel CRM Cloud Applications within the affected version range. In addition to software remediation, organizations should implement strict network segmentation policies to limit HTTP access to only authorized management interfaces. Role-based access control mechanisms must be reviewed and hardened to ensure that low-privileged accounts do not possess unnecessary permissions related to cloud manager functions. Continuous monitoring of authentication logs for anomalous login patterns or privilege escalation attempts can help detect exploitation activities in real-time. Furthermore, deploying web application firewalls with rules specifically tuned to detect common exploitation techniques associated with this vulnerability type can provide an additional layer of defense against automated attacks targeting these known weaknesses.