CVE-2026-62455 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. 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 read access to a subset of Siebel CRM Cloud Applications accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Siebel CRM Cloud Applications. CVSS 3.1 Base Score 8.3 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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, specifically affecting supported versions ranging from 22.3 through 26.6. 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 easily exploitable weakness that permits low-privileged attackers with network access via HTTP to compromise the integrity and availability of the application environment. Unlike vulnerabilities requiring high-level privileges or complex user interaction, this defect allows adversaries to leverage basic authenticated credentials to execute malicious actions against the underlying infrastructure, highlighting a critical gap in privilege escalation controls within the cloud management interface.
From a technical perspective, the vulnerability enables unauthorized creation, deletion, or modification of access rights to both critical data and all Siebel CRM Cloud Applications accessible data. This capability directly correlates with CWE-269 Improper Privilege Management and CWE-732 Incorrect Permission Assignment for Critical Resource, as it allows an attacker to alter security configurations beyond their intended scope. Furthermore, the flaw grants unauthorized read access to a subset of accessible data, which aligns with CWE-200 Exposure of Sensitive Information to an Unauthorized Actor. The ability to manipulate critical data and permissions effectively bypasses standard authentication mechanisms, allowing the attacker to escalate privileges or exfiltrate sensitive corporate information without detection by default security monitoring tools that may not account for low-level permission anomalies in cloud management interfaces.
The operational impact of this vulnerability extends beyond mere data exposure to include severe disruptions in service availability. Successful exploitation can result in a complete denial of service, characterized by the application hanging or experiencing frequently repeatable crashes. This aspect corresponds to CWE-400 Uncontrolled Resource Consumption and is indicative of an input validation failure that allows attackers to trigger resource exhaustion conditions within the Siebel Cloud Manager process. The combination of data manipulation capabilities and system instability creates a multifaceted threat landscape where confidentiality, integrity, and availability are all compromised simultaneously. This triad impact is reflected in the high CVSS 3.1 Base Score of 8.3, which underscores the severity of the issue for enterprise environments where uptime and data accuracy are paramount to business continuity.
In terms of attack vectors and tactical classification, this vulnerability aligns with MITRE ATT&CK techniques related to Initial Access via Valid Accounts and Defense Evasion through permission manipulation. The requirement for network access via HTTP suggests that if not properly secured behind additional layers such as Web Application Firewalls or strict internal segmentation, the exploit surface is broad. Attackers can leverage standard web protocols to interact with the vulnerable component, potentially automating exploitation at scale against multiple instances of Siebel CRM deployed across an organization's infrastructure. The low complexity and lack of user interaction requirements further lower the barrier for entry, making this a high-priority target for automated scanning tools and opportunistic attackers seeking quick wins within enterprise networks.
Mitigation strategies must prioritize immediate patching to the latest supported version that addresses the specific flaw in Siebel Cloud Manager. Organizations should also implement strict network segmentation policies to restrict HTTP access to the management interface solely from trusted administrative subnets, thereby reducing the attack surface available to external or lateral-moving adversaries. Additionally, enforcing multi-factor authentication for all accounts with any level of privilege within the Siebel environment can mitigate the risk posed by compromised low-privileged credentials. Continuous monitoring and logging enhancements should be deployed to detect anomalous patterns such as rapid permission changes, unusual data access volumes, or repeated service restarts that may indicate active exploitation attempts. Regular vulnerability assessments focused on cloud management components are essential to ensure that similar privilege escalation vectors do not persist in the environment.