CVE-2026-101439

Modified Modified - Updated After Analysis

Unauthenticated LDAP Access in Siebel CRM Cloud Applications

Publication date: 2026-10-20

Last updated on: 2026-11-05

Assigner: Oracle

Description

Vulnerability in the Siebel CRM Cloud Applications product of Oracle Siebel CRM (component: Siebel Cloud Manager). Supported versions that are affected are 22.3-26.9. Difficult to exploit vulnerability allows unauthenticated attacker with network access via LDAP to compromise Siebel CRM Cloud Applications. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 5.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N).

CVSS Scores

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Meta Information

Published

2026-10-20

Last Modified

2026-11-05

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-101439

EUVD

EUVD-2026-105855

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	siebel_crm	From 22.3 (inc) to 26.9 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-306	The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle Siebel CRM Cloud Applications (versions 22.3-26.9) where an unauthenticated attacker can exploit it via LDAP network access. It allows unauthorized access to critical data or complete access to all accessible data in the Siebel CRM Cloud Applications.

Detection Guidance

Detection of this vulnerability requires checking for unauthorized LDAP access to Siebel CRM Cloud Applications. Monitor LDAP traffic for unusual connections to the Siebel Cloud Manager component. Ensure all LDAP authentication attempts are logged and reviewed for anomalies.

Impact Analysis

An attacker could gain unauthorized access to sensitive data stored in the Siebel CRM Cloud Applications, potentially leading to data breaches, loss of confidential information, or further exploitation of the system.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating compliance requirements under GDPR, HIPAA, or other regulations. It may result in legal penalties, fines, or reputational damage due to data exposure.

Mitigation Strategies

Apply the latest Oracle Siebel CRM Cloud Applications patches or updates for versions 22.3-26.9 to address the vulnerability. Restrict network access to LDAP ports and monitor for unauthorized access attempts.

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