CVE-2026-83217

Deferred Deferred - Pending Action

Siebel CRM End User Unauthorized Data Access Vulnerability

Publication date: 2026-09-15

Last updated on: 2026-09-21

Assigner: Oracle

Description

Vulnerability in the Siebel CRM End User product of Oracle Siebel CRM (component: Open UI). Supported versions that are affected are 17.0-26.7. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Siebel CRM End User. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Siebel CRM End User accessible data as well as unauthorized update, insert or delete access to some of Siebel CRM End User accessible data. CVSS 3.1 Base Score 7.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N).

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-15

Last Modified

2026-09-21

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-83217

EUVD

EUVD-2026-79569

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	siebel_crm_end_user	From 17.0 (inc) to 26.7 (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 End User (versions 17.0-26.7) affecting the Open UI component. It allows a low-privileged 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 data modifications.

Detection Guidance

This vulnerability affects Oracle Siebel CRM End User versions 17.0-26.7. Detection requires checking the installed version of Siebel CRM End User. If the version is within the affected range, the system is vulnerable. No specific commands are provided in the context to detect exploitation attempts.

Impact Analysis

If you use Oracle Siebel CRM End User versions 17.0-26.7, an attacker could gain unauthorized access to sensitive data, modify or delete data, or steal confidential information. This could disrupt business operations and lead to data breaches.

Compliance Impact

This vulnerability could lead to unauthorized access or modification of personal or sensitive data, violating GDPR and HIPAA compliance. Organizations may face legal penalties, reputational damage, and loss of customer trust if such breaches occur.

Mitigation Strategies

Apply the latest Oracle Siebel CRM patches or updates for versions 17.0-26.7 to address the vulnerability in the Open UI component.

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