CVE-2026-101400

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Denial of Service in Oracle Siebel Apps Marketing

Publication date: 2026-10-20

Last updated on: 2026-10-23

Assigner: Oracle

Description

Vulnerability in the Siebel Apps - Marketing product of Oracle Siebel CRM (component: Marketing). Supported versions that are affected are 17.0-26.9. Difficult to exploit vulnerability allows unauthenticated attacker with logon to the infrastructure where Siebel Apps - Marketing executes to compromise Siebel Apps - Marketing. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Siebel Apps - Marketing. CVSS 3.1 Base Score 2.9 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L).

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Meta Information

Published

2026-10-20

Last Modified

2026-10-23

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-101400

EUVD

EUVD-2026-105816

Affected Vendors & Products

Vendor	Product	Version / Range
Oracle Corporation	Siebel Apps - Marketing	17.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-404	The product does not release or incorrectly releases a resource before it is made available for re-use.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle Siebel CRM's Siebel Apps - Marketing product versions 17.0 to 26.9. It allows an unauthenticated attacker with access to the infrastructure to cause a partial denial of service (DOS) in the Marketing component. The attack requires local access to the system where the software runs.

Detection Guidance

Detection of this vulnerability requires checking for unauthorized access or partial denial of service conditions in Oracle Siebel Apps - Marketing. Monitor application logs for unusual activity, such as repeated failed logins or service interruptions. Verify that only authorized users have access to the infrastructure where Siebel Apps - Marketing executes.

Impact Analysis

If exploited, this vulnerability could disrupt the availability of the Siebel Apps - Marketing service, leading to partial outages. It does not allow data theft or unauthorized access beyond service disruption.

Compliance Impact

This vulnerability causes a partial denial of service in Siebel Apps - Marketing, which may disrupt data processing or availability. While not directly violating GDPR or HIPAA, such disruptions could impact compliance if they affect data integrity or access to personal health or user data.

Mitigation Strategies

Apply the latest security patches from Oracle for Siebel Apps - Marketing versions 17.0 to 26.9. Ensure proper access controls are in place to limit infrastructure logon permissions. Monitor for unusual activity in the Siebel Apps - Marketing component.

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