CVE-2026-83073

Received Received - Intake

Siebel Cloud Manager Unauthenticated Data Access Vulnerability

Publication date: 2026-09-15

Last updated on: 2026-09-15

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 22.3-26.7. Easily exploitable vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Siebel CRM Cloud Applications executes 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 access to critical data or complete access to all Siebel CRM Cloud Applications accessible data. CVSS 3.1 Base Score 8.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N).

CVSS Scores

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Meta Information

Published

2026-09-15

Last Modified

2026-09-15

Generated

2026-10-06

AI Q&A

2026-09-16

EPSS Evaluated

2026-10-04

NVD

CVE-2026-83073

EUVD

EUVD-2026-79401

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	siebel_crm_cloud_applications	From 22.3 (inc) to 26.7 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-UNKNOWN

Attack-Flow Graph

Executive Summary

This vulnerability affects Oracle Siebel CRM Cloud Applications versions 22.3 to 26.7. It allows an unauthenticated attacker with access to the physical network segment where the application runs to exploit it. The flaw enables unauthorized creation, deletion, or modification of critical data, as well as unauthorized access to all accessible data in the application.

Detection Guidance

This vulnerability requires detection of unauthorized access or modifications to Siebel CRM Cloud Applications data. Monitor network traffic for unusual activity on the physical communication segment where Siebel CRM executes. Check for unauthorized data creation, deletion, or modification in application logs. Ensure network segmentation is enforced to prevent unauthorized access.

Impact Analysis

If you use Oracle Siebel CRM Cloud Applications versions 22.3 to 26.7, an attacker could gain full access to your critical data, modify or delete it without authorization. This could lead to data breaches, loss of sensitive information, or disruption of services.

Compliance Impact

This vulnerability could lead to unauthorized access or modification of sensitive data, which may violate GDPR, HIPAA, or other regulations requiring strict data protection. Non-compliance risks include legal penalties, fines, and reputational damage.

Mitigation Strategies

Isolate the affected Siebel CRM Cloud Applications system from untrusted networks. Apply Oracle's security patches or updates for versions 22.3-26.7 as soon as they are available. Restrict physical and network access to the hardware running Siebel CRM Cloud Applications to trusted users only.

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