CVE-2026-83222

Analyzed Analyzed - Analysis Complete

Denial of Service in Oracle Siebel CRM Deployment

Publication date: 2026-09-15

Last updated on: 2026-09-21

Assigner: Oracle

Description

Vulnerability in the Siebel CRM Deployment product of Oracle Siebel CRM (component: Server Infrastructure). Supported versions that are affected are 17.0-26.7. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Siebel CRM Deployment. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Siebel CRM Deployment. CVSS 3.1 Base Score 7.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

CVSS 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-2026-83222

EUVD

EUVD-2026-79574

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	siebel_crm	From 17.0 (inc) to 26.7 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-400	The product does not properly control the allocation and maintenance of a limited resource.

Attack-Flow Graph

Executive Summary

This is a denial-of-service (DoS) vulnerability in Oracle Siebel CRM Deployment versions 17.0 to 26.7. An unauthenticated attacker can exploit it remotely via network access to cause the system to hang or crash repeatedly, disrupting service.

Detection Guidance

Detection requires monitoring for unusual network traffic targeting Siebel CRM Deployment ports or services. Check for repeated crashes or hangs in the application logs. Verify if unauthenticated connections are established via protocols like HTTP, HTTPS, or others used by Siebel CRM.

Impact Analysis

If you use affected Siebel CRM Deployment versions, an attacker could disrupt your CRM system, leading to downtime and loss of access for users. This could affect business operations and customer interactions.

Compliance Impact

This vulnerability causes denial-of-service (DOS) conditions in Oracle Siebel CRM Deployment, leading to system unavailability. Such disruptions may impact compliance with regulations like GDPR (data processing delays) or HIPAA (service interruptions for healthcare systems), though specific compliance impacts depend on deployment context.

Mitigation Strategies

Apply the latest Oracle Siebel CRM patches immediately. Restrict network access to Siebel CRM Deployment ports using firewalls. Monitor for suspicious activity and disable unnecessary protocols if possible.

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