CVE-2026-101458

Analyzed Analyzed - Analysis Complete

Unauthenticated Access in Siebel CRM Deployment

Publication date: 2026-10-20

Last updated on: 2026-11-04

Assigner: Oracle

Description

Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affected are 17.0-26.9. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM Deployment accessible data as well as unauthorized update, insert or delete access to some of Siebel CRM Deployment accessible data. CVSS 3.1 Base Score 8.2 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N).

CVSS Scores

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Meta Information

Published

2026-10-20

Last Modified

2026-11-04

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-101458

EUVD

EUVD-2026-105874

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	siebel_crm	From 17.0 (inc) to 26.9 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-284	The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle Siebel CRM Deployment versions 17.0-26.9. It allows an unauthenticated attacker with network access via HTTP to compromise the system. Successful exploitation can lead to unauthorized access to critical data or full access to all accessible data, as well as unauthorized modifications to some data.

Detection Guidance

This vulnerability affects Oracle Siebel CRM Deployment versions 17.0-26.9 and allows unauthenticated HTTP access. Detection should focus on identifying vulnerable versions and exposed HTTP interfaces. Check for open HTTP ports (typically 80 or 443) and inspect server banners or responses for Siebel CRM version information. Use network scanning tools like nmap to identify hosts running Siebel services and verify their versions.

Impact Analysis

If exploited, this vulnerability could allow attackers to steal sensitive data, modify or delete data, or gain full control over the Siebel CRM Deployment system. This could disrupt business operations and lead to data breaches.

Compliance Impact

This vulnerability could lead to unauthorized access or disclosure of personal or sensitive data, violating GDPR and HIPAA requirements. Organizations using affected versions may face compliance violations, legal penalties, and reputational damage.

Mitigation Strategies

Apply the latest Oracle Siebel CRM patches for versions 17.0-26.9 to address the vulnerability in the Server Infrastructure component. Ensure network access controls restrict HTTP access to trusted sources only.

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