---
id: CVE-2026-83220
title: >-
  Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM
  (component: Event Publish and Subscribe)
summary: >-
  Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM
  (component: Event Publish and Subscribe).  Supported versions that are
  affected are 23.6-26.7. Easily exploitable vulnerability allows
  unauthenticated attacker with…
severity: high
cvss: 8.1
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'
cwe:
  - CWE-284
vendor: Oracle Corporation
product: Siebel CRM Integration
affected:
  - siebel_crm_integration >= 23.6 <= 26.7
published: '2026-09-15'
updated: '2026-09-18'
sourceUpdated: '2026-09-18T19:16:51.490'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-83220'
references:
  - url: 'https://www.oracle.com/security-alerts/cspusep2026.html'
    label: secalert_us@oracle.com
tags:
  - nvd
  - cve.org
epss: 0.00266
epssPercentile: 0.1651
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-18T18:16:29.129250Z'
ingestedAt: '2026-09-15T20:44:02.491Z'
---

## Overview

Vulnerability in the Siebel CRM Integration product of Oracle Siebel CRM (component: Event Publish and Subscribe).  Supported versions that are affected are 23.6-26.7. Easily exploitable vulnerability allows unauthenticated attacker with access to the physical communication segment attached to the hardware where the Siebel CRM Integration executes to compromise Siebel CRM Integration.  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Siebel CRM Integration accessible data as well as  unauthorized access to critical data or complete access to all Siebel CRM Integration 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).

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.