CVE-2026-83220
HighCVSS 8.1Exploitation Probability (EPSS)
Low risk9th percentile - higher than 9% of all known CVEs
Summary
Vulnerability in Oracle Siebel CRM Integration (component: Event Publish and Subscribe) affecting versions 23.6-26.7. An unauthenticated attacker with access to the physical communication segment attached to the hardware running Siebel CRM Integration can create, delete, or modify critical data and gain full access to it.
Risk Assessment
An attacker with local network access can compromise the confidentiality and integrity of data in the Siebel CRM integration system, potentially leading to serious business and regulatory consequences. The CVSS score of 8.1 indicates a very high risk.
Recommendation
Immediately apply the Oracle security updates for Siebel CRM Integration and strengthen access controls for the network segments where this component operates.
Other vulnerabilities in Oracle Siebel CRM Integration
See all- CVE-2026-91377High
Vulnerability in Oracle Siebel CRM Integration (component Open Integration) versions 25.12-26.9. An easily exploitable attack via HTTP network access allows an unauthenticated attacker to gain unauthorized access to critical data.
- CVE-2026-83221High
Vulnerability in Oracle Siebel CRM Integration (component: EAI) affecting versions 17.0-26.7. A low-privileged attacker with network access via SOAP can gain unauthorized access to critical data and update, insert, or delete some data accessible in Siebel CRM Integration.
Original NVD description (English source)
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).
Vulnerability data from NVD (NIST) · CISA KEV · EPSS