CVE-2026-83213

Deferred Deferred - Pending Action

Authentication Bypass in Siebel CRM End User

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: Reports). Supported versions that are affected are 17.0-26.7. Easily exploitable vulnerability allows unauthenticated 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. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).

CVSS Scores

EPSS Scores

Probability:
Percentile:

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-2026-83213

EUVD

EUVD-2026-79565

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 vulnerability affects Oracle Siebel CRM End User versions 17.0 to 26.7. It allows an unauthenticated attacker with network access via HTTP to exploit a flaw in the Reports component. Successful exploitation can lead to unauthorized access to critical data or full access to all accessible data in Siebel CRM End User.

Detection Guidance

This vulnerability affects Oracle Siebel CRM End User versions 17.0-26.7 and allows unauthenticated network access via HTTP. Detection should focus on identifying vulnerable versions of Siebel CRM End User running on your network. Check for HTTP services on standard ports (80, 443) and inspect server banners or application responses for Siebel CRM version information.

Impact Analysis

An attacker could gain access to sensitive data stored in your Siebel CRM system, including customer information or business-critical data. This could lead to data breaches, financial loss, reputational damage, or regulatory penalties depending on the data exposed.

Compliance Impact

This vulnerability could result in unauthorized access to personal or protected health information, violating GDPR or HIPAA requirements. Organizations using affected versions may face compliance failures, legal consequences, or mandatory breach notifications.

Mitigation Strategies

Apply the latest Oracle Siebel CRM security patches immediately. Restrict network access to the Siebel CRM End User component via HTTP. Review and enforce strict access controls for critical data. Monitor for unauthorized access attempts.

Hi! I’m here to help you understand CVE-2026-83213. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70